Medicines

From Cow
Jump to: navigation, search

Below are listed some of the common drugs used in bovine medicine.

See the FDA Green book for a comprehensive list of approved veterinary medicines.


Drug (cats)

Indications Dose Route Frequency
Amoxicillin/clavulanate Susceptible infections 10-20 mg/kg PO q 12hrs
Amphotericin B Systemic mycoses 0.15-1 mg/kg in 5% dextrose IV q 48hrs to a total cumulative dose of 10mg/kg
SQ diluted 1:10 in saline
Amprolium Coccidiosis 10 mg/kg PO q 24hrs x 5 days
With sulfadimethoxine 150 mg/kg PO q 24hrs x 5d
Atovaquone Toxoplasma, Pneumocystis spp 13.3 mg/kg PO q 8hrs x 21 days
Atropine OP-toxicity, pre-anaesthetic 0.02-0.04 mg/kg IM, IV, SQ as required
Organophosphate toxicity 0.2-2.0 mg/kg IM, SQ q 2hrs
Azithromycin Susceptible infections 5 mg/kg PO q 24 - 48 hrs
Susceptible infections 80 mg stat PO weekly x 3
Baytril Susceptible infections 5.0-20.0 mg/kg PO, SQ, IM, IV (with caution - may cause blindness) q 24hrsfor 7 - 10 days
Benzimidazole Intestinal parasites 5 mg/kg PO q 24hrs for 4 months
Betamethasone Anti-inflammatory 0.1-0.2 mg/kg PO q 12 - 24hrs
Bethanechol Bladder atony, dysautonia, FLUTD 1.25-5.0 mg PO q 8- 12hrs
Bismuth subcarbonate GI tract protectant 0.3-3.0 gm PO q 4hrs
Antidiarrheal, antiemetic 1-3 ml/kg PO q 4 - 6hrs
Bunamidine Cestodes - Taenia spp, Spirometra spp, Diphyllobothrium spp 20-50 mg/kg PO after 3hr fast
Buprenorphine Opioid analgesia 0.005-0.01 mg/kg IV, IM q 4-8hrs
Butamisole Nematodes 2.2mg/kg SQ q 21days
Butorphanol Preanaesthetic 0.05-0.4mg/kg with ACP IV, IM, SQ
Antiemetic 0.2-0.6mg/kg SQ, IM, IV
Analgesia 0.1-0.8 mg/kg PO q 6 - 12hrs
Cabergoline (Dostinex) Induction of estrus/abortion/pyometra 5 micrograms/kg/day PO, SQ q 24 hrs
Calcitriol Hypoparathyroidism, Hyperparathyroidism (primary), Renal secondary hyperparathyroidism 1.5 - 3.0 ng/kg PO q 24hrs
Calcium chloride 10% Ventricular asystole 1 ml/9kg or 0.1-0.3ml/kg IV (slowly) stat
Hypocalcaemia 1 ml/9kg IV stat
Carbenicillin Susceptible infections 15-30 mg/kg IV q 8hrs
Carbimazole Hyperthyroidism 5 mg/cat PO q 8 - 12hrs
Carboplatin Chemotherapy 200 mg/m2 IV q 4weeks
Carmustine Chemotherapy 50 mg/m2 IV q 6weeks
Carprofen (Rimadyl) Analgesia 1-4 mg/kg SQ stat
0.5-1.0 mg/kg PO q 24hrs
Ceftiofur Susceptible infections 2.2 mg/kg SQ or IM q 24 hours for 3 - 4 days
Cephalexin Susceptible infections 10-35 mg/kg PO q 8 - 12hrs
Chlorambucil Chemotherapy, Irritable bowel disease 0.1-0.5mg/kg PO q 48-72hrs
Immune mediated skin diseases (Pemphigus, EGC) 0.1-0.2mg/kg PO q 48hrs with prednisolone
Chloramphenicol Susceptible infections 50mg/cat PO q 12hrs
Chlorothiazide Diuretic 10-40 mg/kg PO q12hrs
Partial ADH deficiency 20-40 mg/kg PO q12hrs
Chlorpheniramine Antihistamine 1-2 mg/cat PO q 8-12hrs
Chlorpromazine Vomiting, Pancreatitis 0.2-0.5 mg/kg IM or SQ q 6-8hrs
Chlortetracycline hydrochloride Susceptible infections 25 mg/kg PO q 6-8hrs
Cholecalciferol (Vit D) Hyperparathyroidism (primary) Hypocalcaemia 500-2000 U/kg PO q 24hrs
Cisplatin Chemotherapy 100 mg/m2 IV q 4 weeks x 2
Clavulox Susceptible infections 10-20 mg/kg IM q 24 hrs
Clindamycin Anaerobic infections 5-11 mg/kg PO q 12hrs
Clotrimazole Fungal infections apply to lesion topical q 12hrs
Coal tar shampoos Seborrhoea Keep in contact with skin for 10 mins Topically q 24hrs
Cobalamin see Vit B12
Corticotrophin gel (ACTH) Response test pre-ACTH sample 0.5-2.2 IU/kg IM
Cortisone acetate Hypoadrenocorticism ( Addison's disease) 1 mg/kg PO, IM q 24hrs
Cosequin® Osteoarthritis 1 capsule PO q 24hrs
Cosyntropin pre-ACTH sample 0.125 mg/cat IV
1-2 mg/kg PO (with caution) q 12hrs x 2
Cyclophosphamide Chemotherapy 100 mg/m2 IV
Cytarabine Chemotherapy 30-50 mg/kg IV, IM, SQ once a week
Desmopressin acetate Central diabetes insipidus 0.3 µg/kg IM q 12 - 24hrs
Desoxycorticosterone acetate Hypoadrenocorticism 0.2-0.4 mg/kg conjunctivally q 24hrs, max 5mg
Desoxycorticosterone pivalate Addison's disease 25 mg IM stat
Dexamethasone Central oedema, spinal cord trauma, DJD, other CNS trauma 2 mg/kg IV then,
1 mg/kg IV, SQ q 8-12hrs, then
0.1 mg/kg IV, SQ, PO q 8-12hrs
Hydrocephalus 0.25 mg/kg IV, IM, PO q 6 - 8hrs
Shock, anaphylaxis 4 - 6 mg/kg IV (slowly)
Immune-mediated disease 0.25-1.25 mg/kg PO q 12 - 24hrs
0.1-0.15 mg/kg SQ, PO q 12hrs for 5 - 7 days, then taper dose
Addison's disease 0.1-0.5 mg/kg SQ, IV with mineralocorticoids
Asthma 1 mg/kg IV then
0.25-1.0 mg/kg PO q 8 - 24hrs
Diazepam (Valium) Sedation 0.5-2.2 mg/kg PO as needed
Dichlorphenamide Glaucoma 3-5 mg/kg PO q 8- 12hrs
Dichlorvos Parasites - Hookworm, whipworm, roundworm 11-22 mg/kg PO repeat in 3 weeks
Dicloxacillin Susceptible infections 10-50 mg/kg PO q 6 - 8hrs
Dicoumarol Anticoagulant 5 mg/kg PO load, then
Difloxacin (Fluoroquinolone) Susceptible infections 5-10 mg/kg PO q 24hrs
Dihydrotachysterol Milk fever 0.03-0.06 mg/kg PO q 24hrs for 3, then
0.01-0.02 mg/kg PO q 24hrs
Dimethylsulfoxide (DMSO) Spinal cord trauma, Amyloidosis 0.5-1 g/kg IV (10%) q 6 - 8hrs over 45 min
Diminazine aceturate Babesia spp, Trypanosoma spp 2.0-3.5 mg/kg IM Once
Dinoprost see prostaglandin F2a
Doramectin Parasites 200 μg/kg IM, SQ monthly
Doxorubicin (Adriamycin) Chemotherapy 10-30 mg/m2 IV q 21 days
Enflurane Gaseous anaesthesia Induction: 2-3% intratracheal as needed
Enrofloxacin Susceptible infections 5.0-20.0 mg/kg IM, IV q 24hrs for 7 - 10 days
Epsiprantel Parasites - Dipylidium spp, Taenia spp 2.5-2.75 mg/kg PO stat
Ergocalciferol Vitamin D 500-2000 IU/kg PO q 24hrs
Erythromycin Susceptible infections 10-15 mg/kg IM q 12-24 hrs
Erythropoietin (Eprex 1000) Anaemia from Kidney disease 50-100 IU/kg SQ 3 x weekly for 12 weeks then twice weekly (as need to maintain PCV at 35%)
EDTA anticoagulant, chelation 1 mg/kg IV q 2hrs
Etidronate disodium Hypercalcaemia 10 mg/kg PO q 2hrs
Etomidate Anaesthetic induction 0.5-3.0 mg/kg IV as needed
With opioids 0.5-1.0 mg/kg IV as needed
Euthanasia solution Pentobarbitone sodium 120 mg/kg for first 4.5kg; 60mg/kg thereafter IV stat
Fenbendazole Capillaria spp, Coccidiosis 25-50 mg/kg PO monthly
Fipronil Mites, Lice 1 ml/10 kg Topical Stat
Florfenicol (Chloramphenicol analogue) Susceptible infections 22-50 mg/kg PO, IM, SC q 12hrs
Fluconazole Cryptococcus 50-100 mg/cat PO with food q 12 - 24hrs
[Flunixin meglamine]] (Finadyne) Anti-inflammatory 0.5-2.2 mg/kg IV, IM, SQ stat
Folic acid Dietary supplement 2.5 mg/cat PO q 24hrs
Follicle stimulating hormone (FSH) Induction of oestrus 500 IU HCG IV, IM, SQ q 24hrs for 2 days
Furazolidone Coccidiosis 4 mg/kg PO q 12hrs for 7-10 days
Furosemide Diuresis 2-4 mg/kg IV, IM, PO q 8 - 12hrs as needed
Gentamicin Susceptible infections 6-8 mg/kg IM, SQ, IV q 24hrs
Glyceryl guaiacolate Muscle relaxation during certain toxicoses 110 mg/kg IV as needed
Gonadotropin hormone (Folligon) Anestrus 100 I.U./cat IM single treatment
Gonadotropin releasing hormone (Chorulon) Cystic ovarian syndrome, Ovarian remnant syndrome 25 µg IM single treatment
Guaifenesin Tranquiliser 44-88 mg/kg (alone) IV stat
Halofuginone Coccidiostat, Immunosuppressant 100 µg/kg PO q 24 hrs
Halothane Gaseous anaesthesia Induction: 3% Inhalant stat
Heparin Aortic thromboembolism, thrombophlebitis Initial dose: 100-200 IU/kg IV then
Hypertonic saline Shock 2-6 ml/kg rapid IV infusion stat
Idarubicin HCl Antiviral 2.0 mg/kg PO q 24hrs for 2 days, then repeat q21 days
Idoxuridine Ocular herpes viral infection 0.1% solution: 1 drop topically q 4 - 6hrs
0.5% ointment topically q 1hr
Imatinib mesylate Chemotherapy 10 mg/kg orally once daily
Imidacloprid Fleas 100 mg/ml topically 0.1 cc/kg monthly
Imidocarb Anaplasma spp, Ehrlichia spp 2.1-5 mg/kg IM every 14 days x 2
Imidapril Congestive heart failure and Chronic renal disease 0.5 mg/kg PO q 24hrs
Imipenem-cilastin (Broad-spectrum 'Gorilla-cillin') Susceptible infections 2-10 mg/kg IM or slow IV q 6 - 8hrs
Imipramine Behavioural modification, urinary incontinence 2.5-5.0 mg/cat PO q 12hrs
Insulin, glargine Diabetes mellitus 0.25-5.0 U/kg SQ q 12hrs, adjust as needed
Insulin, lente Diabetes mellitus 0.5 U/kg SQ q 12 - 24hrs
Insulin, NHP Diabetes mellitus 1-3 U/cat SQ q 12 - 24hrs
Insulin, PZI Diabetes mellitus 1-3 U/cat SQ q 12 - 24hrs
Insulin, regular Diabetes mellitus 1-2 U/cat SQ q 6 - 8hrs
Insulin, ultralente Diabetes mellitus 1-3 U/cat SQ q 12 - 24hrs
Ipakitine Chronic renal disease 1 g/cat PO q 12 hrs
Interferon a2, human recombinant Immunostimulant in non-neoplastic feline leukemia 15-30 U/cat IM, SQ, PO q 24hrs on alternate weeks
FeLV appetite stimulant 1 U/cat PO q 24hrs
FIP (dry) 30 U/cat PO q 24hrs on alternate weeks
FIP(wet) 2000 U/cat IM q 24hrs
Conjunctivitis 10 U/cat PO q 24hrs
Interferon-a2b, human recombinant Immunostimulation 15-30 U/cat PO, SQ, IM q 24hrs for 7 days
Interferon-O (Virbagen), feline recombinant Immunostimulation 1 million U/kg SQ q 48hrs, reducing to once weekly if responding
Sodium iodide Actinobacillosis 70 mg/kg IV q week x 3
Iopamidol Myelography 0.25 ml/kg intrathecal stat
Ipecac syrup Emetic 2-6 ml/cat PO stat
Ipodate Hyperthyroidism (short term) 15 mg/kg PO q 12hrs
Iron dextran Anaemia 50 mg/cat IM at 18 days of age
Isoflurane Gaseous anaesthesia

Induction: 5%

Maintenance: 1.5-2.5%

Inhalation stat
Isometheptene Urethral antispasmodic 0.25-0.5 ml/cat IM q 12hrs
0.5 tab/cat PO q 12hrs
Isoniazid Mycobacterium spp 10-20 mg/kg PO q 24hrs
Isopropamide (anticholinergic) Sinus bradycardia, SA or AV block 0.2-0.4 mg/kg PO q 8 - 12hrs
Antidiarrhoeal, GIT hypermotility 0.2-1.0 mg/kg PO q 12hrs
Isoproterenol - isoprenaline (ß2- agonist) Bradycardia, AV block, cardiac arrest 0.04-0.08 µg/kg IV infusion as needed
Feline asthma 0.44 mg/kg PO q 6 - 12hrs
0.5ml of 1:200 dilution Inhalant q 4hrs x 3
Isosorbide dinitrate Vasodilator, osmotic diuretic, [megaoesophagus.htm megaoesophagus] 2.5-5.0mg/cat PO q 12hrs
Isotretinoin (Vitamin D analogue) Acne 5 mg/kg PO q 24hrs
Itraconazole Fungal infections or generalised dermatomycosis 5-10 mg/kg PO q 12 - 24hrs
Ivermectin Heartworm disease prophylaxis 24 µg/kg PO once monthly
Microfilaricidal 50 µg/kg PO stat
Endoparasiticidal 200-400 µg/kg IM, SQ, PO weekly
Cheyletiella spp, Notoedres spp 200-400 µg/kg SQ stat
Jenotone (Aminopropazine fumarate) Urinary tract obstruction 2 mg/kg IM, SQ q 12hrs
Kanamycin Susceptible infections 10-15 mg/kg IV, IM, SQ q 12hrs
GI tract bacterial overgrowth 10-12 mg/kg PO q 8 - 12hrs
Kaolin / pectin GI tract protectant 1-2 ml/kg PO q 2 - 6hrs
Ketamine (NMDA-receptor antagonist) Anaesthesia (with Xylazine) 7-11 mg/kg (0.2-0.5ml) IV stat
Sedation (with diazepam) 5.5-10.0 mg/kg (0.3-0.5ml) IV stat
Ketoconazole Systemic and cutaneous mycoses, Sporotrichosis spp 5.0-10.0 mg/kg PO q 12 - 24hrs
Fungal infections, CNS mycoses 15-20 mg/kg PO q 12hrs
Ketoprofen (NSAID) Anti-inflammatory 0.5-1.0 mg/kg PO, IM, SQ q 24hrs
L-asparaginase (Chemotherapeutic agent) Lymphosarcoma 10,000 U/m2 IV weekly as part of a protocol
Lactated Ringer's solution Rehydration 40-50 ml/kg IV q 24hrs
Lactilol Stool softener, hepatic encephalopathy 250 ml/cat PO q 12hrs
Lactoferrin FIV stomatitis 40 mg/kg Topical q 24hrs
Lactulose Megacolon, Hepatic encephalopathy 2.5-5.0 ml/cat PO q 8 - 12 hrs
5-10 ml diluted in water (1:3) Rectal stat
Stool softener 1 ml/cat PO q 8hrs to effect
Lamisil (Terbinafine) Fungal infections 20 - 30 mg/kg PO q 24hrs for 4 - 10 weeks
Lenperone Opioid preanesthetic 0.22-0.88 mg/kg IM, IV stat
Leucovorin Methotrexate toxicity 3 mg/m2 IM within 3hrs of poisoning
Pyrimethamine antidote 1 mg/kg PO stat
Levallorphan (1st generation opiate antagonist) Opioid toxicity/overdose 0.02-0.20 mg/kg IV as needed
Levamisole Heartworm disease 10 mg/kg PO q 24hrs for 7 days
Heartworm disease, Filaroides, Lungworm 25 mg/kg PO q 48hrs for 14 days
Hookworms 10 mg/kg PO q 24hrs for 2 days
Immune stimulant 4.4 mg/kg PO stat
Levarterenol (Norepinephrine) Positive ionotrope 0.05-0.3 µg/kg IV q1 min
Levetiracetam Seizures (add-on) 15-20 mg/kg PO q 8 - 12hrs
Cognitive disorders 15-20 mg/kg PO q 8 - 12hrs
Levodopa (L-DOPA) Hepatic encephalopathy 6.8 mg/kg initially, then 1.4mg/kg PO q 6hrs
Thyroxine (Synthetic T4) Hypothyroidism 10-30 µg/kg PO q 12hrs
Lidocaine (Xylocaine) Ventricular arrhythmias 0.25-1.0 mg/kg IV then
10-40 µg/kg IV per min
Epidural 4.4 mg/kg epidural stat
Lime sulphur Sarcoptic mange 1:40 dilution Topically weekly for 6 weeks
Lime water Alkaline gastric lavage 5 ml/kg PO stat
Lincomycin Susceptible infections 11-33 mg/kg PO, IV, IM q 12 - 24hrs
Liothyronine (T3) Hypothyroidism 4.4 µg/kg PO q 8 - 12hrs
Lisinopril (ACE inhibitor) Afterload reduction (vasodilator) 0.25-5.0 mg/kg PO q 24hrs
Lobaplatin Chemotherapy 35 mg/m2 IV q 3hrs
Lomustine Chemotherapy 100-150 mg/m2 PO q 6 weeks (subsequent dose based on WBC)
Loperimide Antidiarrhoeal 0.1-0.3 mg/kg PO q 12 -2 4hrs
Lufenuron Immunomodulator 15-30 mg/kg PO q 24hrs with meal for 30 days
Flea control 10 mg/kg SQ
Antifungal [fungal%20diseases.htm (ringworm)] 80 mg/kg PO repeat in 2 weeks
Lufenuron / milbemycin Heartworm disease prevention 1 tablet for appropriate size PO monthly
Luteinizing hormone (LH) Stimulate ovulation 50 IU/cat IM after mating
L-lysine Eosinophilic keratitis / Herpes rhinitis 250-500 mg PO q 12 - 24hrs
Lysine-8-vasopressin Central diabetes insipidus 1-2 sprays conjunctival q 8 - 24hrs
Magnesium citrate Laxative 2-4 ml/kg PO stat
Magnesium hydroxide Antacid 5-10 ml/cat PO q 8 - 24hrs
Cathartic 2-6 ml/cat PO q 24hrs
Magnesium salts Laxative 2-5 g/cat PO q 24hrs
Magnesium sulphate (25%) Hypomagnesemia 5-15 mmol/cat IM, IV over 1 - 2 hrs
Mannitol 5-20% Oliguric renal failure 0.25-1.0 g/kg IV over 15-60 min q 4 - 6hrs to maintain urine flow
Glaucoma 1-3 mg/kg IV over 15-20 min
CNS oedema 1.5 mg/kg IV stat
Marbofloxacin (Fluoroquinolone) Susceptible infections 2.75-5.5 mg/kg PO q 24hrs
Maropitant (Cerenia ) Anti-emetic 1.0 mg/kg SQ/PO q 24 hrs for 4 days, then rest 2 days
Mebendazole Parasites 22 mg/kg PO q 24hrs for 3 days
Meclizine (antihistamine) Motion sickness, nausea 12.5 mg/cat PO q 24hrs, 1 hr before driving
Medetomidine Chemical restraint, sedation, analgesia, muscle relaxant 50-150 µg/kg SQ, IM stat
Medium chain triglycerides Chylothorax 14 ml/cat with each meal PO as needed
Primary lymphangiectasia, Exocrine pancreatic insufficiency 14 ml/cat PO q 6 - 8hrs
Medroxyprogesterone acetate (MPA-50; 50mg/ml) Aggression, Oestrus postponement, prevent abortion 1-2 mg/kg IM once weekly, stop 7-10 days before parturition
Urine marking, anxiety, intraspecies aggression, skin conditions 10-20 mg/kg SQ as needed, up to 3 injections per year
Skin conditions 50-100 mg/cat SQ, IM q 3 - 6mths as needed
Behavioural disorders 100 mg/cat IM then
30-50 mg/cat monthly
Megestrol acetate (Ovarid) Gingivitis 2.5-5.0 mg/cat PO q 24hrs for 10 days, then q48hrs for 5 treatments, then as needed
Urethritis 2.5-5.0mg/cat PO q 24 - 48hrs for 14-21 days until remission, then 1-2 weeks
Miliary dermatitis, eosinophilic granuloma complex 2.5 mg/cat PO q 24hrs for 10 days then q48hrs
Eosinophilic granuloma complex 0.5 mg/kg/day PO for 7-14 days
Eosinophilic ulcers 5-10 mg/cat PO q 48hrs for 10 - 14 treatments then q 2nd week
Oestrus prevention 2.5-5.0 mg/cat PO q 7 days
Asthma 5 mg/cat PO q 24hrs for 4 months, then weekly for 4 weeks
Chemical contraception 5.0 mg/cat PO q 24hrs for 3 days, then weekly as needed
Meglumine antimonate Leishmaniasis 5-30 ml/cat IV, IM, IP q 48 - 72hrs
Melatonin Anterior uveitis 0.01 - 1.0 mg PO q 24hrs
Oestrus suppression 30 mg PO q 24hrs for 30 days
Meloxicam Antiinflammatory 0.01 - 0.03 mg/kg PO q 24hrs as needed
Melphalan (nitrogen mustard alkylating agent) Multiple myeloma 0.05 mg/kg PO q 24hrs for 2 weeks, then q48hrs
Ovarian carcinoma, multiple myeloma, lymphoma, osteosarcoma, mammary or pulmonary neoplasms, FIP, Feline leukemia 2 mg/m2 PO q 48hrs
Mepiridine (pethidine) Sedation 1-5 mg/kg IM q 2 - 4hrs
Mepivacaine Local analgesia 1-5 ml of 2% solution SQ as needed
6-Mercaptopurine Chronic myelocytic leukaemia, Lymphoma 2 mg/kg PO q 24hrs
Meropenem Susceptible infections 20 mg/kg IV q 8hrs
Meningitis 40 mg/kg IV q 8hrs
Mesna Haemorrhagic cystitis associated with cyclophosphamide 40% of cyclophosphamide dose PO, IV, IM, SQ q 3hrs x 6 at time of cyclophosphamide treatment, follow with repeat dose (24 hr infusion)
Metamucil Laxative 2-4 g/cat in moistened food q 12 - 24hrs
Metaproterenol Bronchodilation 0.325-0.65 mg/kg PO q 4 - 6hrs
Metaraminol (a1-agonist) Vascular support during shock 0.01-0.1 mg/kg IV slowly stat
http://en.wikipedia.org/wiki/Metformin Metformin] Hyperglycaemia (non-insulin-dependant diabetes mellitus) 2 mg/kg PO q 12hrs
Methazolamide Glaucoma 1-2 mg/kg PO q 12hrs
Methenamine hippurate Urinary antiseptic 250 mg/cat PO q 12hrs (use with extreme caution)
Methicillin (ß-lactam antibiotic) Susceptible infections 20 mg/kg IM, IV q 6hrs
Methimazole Hyperthyroidism 5 mg/cat (induction) PO q 8hrs, followed by
2.5-5.0 mg/cat PO q 8 - 12hrs
(DL) Methionine (essential AA) Urinary acidifier 0.2-1.5 g/cat (Adult cats only) PO q 24hrs
Methocarbamol (guaifenesin-analogue) Muscle relaxation 20-66 mg/kg PO q 8 - 12hrs
Relief of moderate conditions 44 mg/kg IV
Controlling effects of strychnine and tetanus 55-220 mg/kg; give 1/2 dose rapidly until relaxation occurs and continue at 20-66 mg/kg (not to exceed 330 mg/kg/day) IV as needed
Methohexital (thiopentone analogue) Anaesthesia induction 2.5% solution: 11 mg/kg IV stat
Methotrexate sodium Chemotherapy 2.5 mg/m2 PO q 24hrs or 2 - 3 x weekly, in a protocol on day 14 with 5 mg prednisolone PO q 12hrs
Carcinomas, sarcomas 10-15 mg/m2 PO q 1 - 3 weeks
Methoxamine (a1-agonist) Vasopressor: cardiac arrest, shock 200-250 µg/kg or 40-80 µg/kg IM stat
Methoxyflurane Inhalation anaesthesia Induction: 3%, Maintenance: 0.5-1.5% Inhalation stat
Methscopolamine bromide Anti-emetic 0.3-1.0 mg/kg PO q 8hrs (use cautiously)
Methylcellulose Laxative 1.0-1.5 g/cat PO as needed
Methylene blue 0.1% Indicator dye 3 mg / 250 ml 0.9% NaCl IV over 30-40 min
Antidote 1-1.5 mg/kg IV stat
Methylprednisolone Antiinflammatory 0.5-1.0 mg/kg PO q 12hrs
Methylprednisolone acetate sinophilic ulcers, linear granulomas 10-40 mg/cat SQ, IM, intralesional q 2 weeks x 2 - 6 treatments
Asthma 1-2 mg/kg IM q 7 days
Others 5.5 mg/kg SQ, IM 1 - 24 weeks
Methylprednisolone sodium succinate Spinal trauma 15-30 mg/kg IV q 2hrs, then q 6hrs for 2 days, then taper dose over 5 - 7 days
4-Methylpyrazole Antifreeze toxicity 20 mg/kg IV stat
15 mg/kg IV q 12hrs for 2 days, then
5 mg/kg IV
Methyltestosterone Anabolic steroid 1-2 mg/kg PO q 24hrs
Testosterone-responsive dermatoses 1-2.5 mg/cat PO q 48hrs
Metoclopramide Gastric motility disorders, antiemetic 0.2-0.5 mg/kg PO, IM, SQ q 8hrs
1.0-2.0 mg/kg IV q 24hrs
Gastric reflux 0.2-0.4 mg/kg PO q 8hrs, 30 mins before meals
[[Dysautonomia|Feline dysautonomia] 0.3 mg/kg PO q 8hrs
Metoprolol1-agonist) Atrial fibrillation, [hypertrophiccardiomyopathy.htm hypertrophic cardiomyopathy] 2-15 mg/cat PO q 8hrs
12.5-25.0 mg/cat PO q 12hrs
Metronidazole Colitis, Coccidiosis, Tritrichomoniasis, anaerobic infections 10-25 mg/kg PO q 24hrs for 7 - 14 days
Gingivitis 50mg/kg PO q 24hrs
Metyrapone Cushing's syndrome 65 mg/kg PO q 12 hrs
Mirtazepine Antiemetic 3mg/cat PO q 3days
Misoprostol (synthetic PGE1) Mucosal protectant 3-5 µg/kg PO q 12hrs as required
Miconazole Fungal infections 1-3 cm topically q 24hrs for 2 - 4 weeks
Midazolam Preanaesthetic, sedation, 0.06-0.22 mg/kg IM, IV stat
Control of seizures 0.2-0.5 mg/kg IV stat
Milbemax Heartworm and intestinal worm prophylaxis 0.5-2.0 mg/kg PO monthly
Milk thistle (silymarin) Free radical scavenger 50-250 mg/kg PO q 12hrs
Mineral oil Laxative 5-10 ml/cat PO, per rectum q 12hrs
Minocycline Susceptible infections 5-15 mg/kg PO q 12hrs
Mithramycin Hypercalcaemia, testicular cancer, malignancies 0.25-0.50 µg/kg IV q 24hrs x 2
Mitotane (o,p-DDD) Pituitary-dependant hyperadrenocorticism 25 mg/kg PO q 7 days (maintenance)
75-100 mg/kg/week PO
Mitoxantrone Anticancer chemotherapy 6.0-6.5 mg/m2 IV q 3-4 weeks x 4 - 6
Morphine Antitussive, analgesia 0.05-0.1 mg/kg SQ, IM q 4 - 6hrs
Moxifloxacin Mycobacterium spp, Bartonella spp 5.0 mg/kg PO q 24 hours
Mycobacterial cell wall extract Immunostimulation 1.5 ml IV, deep IM q 24hrs x 1
Nadolol1/2- antagonist) Hypertension 0.25-0.5 mg/kg PO q 12hrs
Nafcillin (ß-lactam antibiotic) Resistant staphylococcal infections 10 mg/kg PO, IM q 6hrs
Nalbuphine hydrochloride (synthetic opioid) Analgesia 0.75-1.5 mg/kg IV q 6 - 8hrs
Nalorphine Opioid antagonist 0.1 mg/kg IV stat
Naloxone HCl stereotypic behaviour 20 mg SQ
Shock 2 mg/kg IV q 1hr
Opioid antagonist 0.01-0.04 mg/kg IV to effect, repeat as needed
Naltrexone (Trexan) Behavioural problems, lick granuloma 2.2 mg/kg PO q 12 - 24hrs
Nandrolone decanoate Anaemia 10-50 mg/cat IM weekly
Natamycin (Pimaracin) Ocular fungal infections topically q 3 - 8hrs
N-acetylcysteine see Acetylcysteine
Neodarbazine Antiemetic 4.5-9.0 mg/kg PO q 12hrs
Neomycin Susceptible infections 7 mg/kg IM, IV, SC q 24hrs (nephrotoxic)
Hepatic encephalopathy 10-20 mg/kg per rectum q 6hrs
Neostigmine Diagnostic aid for [myasthenia%20gravis.htm myasthenia gravis] 20 µg/kg with 0.04 mg/kg of atropine IV stat
2 mg/kg/day PO q 24hrs, divided doses
Niacin (Niacinamide) Hypertriglyceridemia 50-100 mg/day PO q 24hrs
Vacor toxicosis 500-1000 mg IM stat, then
200 mg PO q 24hrs for 2 weeks
Nikethamide Antidote for CNS-depressant drugs 7.8-31.2 mg/kg IV, IM, SQ stat, then as needed
Nitenpyram Fleas 1 tab PO daily as needed
Nitrofurantoin Urinary tract infection 2.5-4.0 mg/kg PO q 6 - 8hrs
Prophylactic dose 4 mg/kg PO q 24hrs
Nitroglycerin 2% ointment Vasodilator for pre-load reduction 1/8-1/4 inch (0.3-0.6cm) cutaneously q 6 - 8hrs
Nitroprusside (vasodilator) Acute CHF 0.5-10 µg/kg IV q 1 min
Norepinephrine bitartrate Positive ionotrope 0.05-0.3 µg/kg IV q 1 min
Nortriptyline (tricyclic antidepressant - noradrenaline reuptake inhibitor) Behaviour disorders 0.5-2.0 mg/kg PO q 12 - 24hrs
Novobiocin Susceptible infections 10 mg/kg PO q 8hrs
Nystatin Susceptible infections 100,000 IU PO q 8hrs
Octreotide (Sandostatin) Chylothorax, Acromegaly 0.1 mg SQ q 8hrs
Ofloxacin (fluoroquinolone) Susceptible infections 2.5-10.0 mg/kg PO q 12hrs
Olsalazine sodium Inflammatory bowel disease 10-20mg/kg PO q 12 - 24hrs
Omega fatty acids see Derm caps
Omeprazole (Losec) Gastritis, gastric ulceration 5 mg/cat PO q 24hrs
Ondansetron - 5-HT3 receptor antagonists Antiemetic 0.5-1.0 mg/kg PO q 24hrs
Orbifloxacin Susceptible infections 2.5-7.5 mg/kg PO q 24hrs
Ovarid (see Megestrol acetate)
Oxacillin Susceptible infections 22-40 mg/kg PO q 8hrs
Oxazepam Appetite stimulant 2.0-2.5 mg/cat PO q 12hrs
Oxtriphylline Bronchodilator 6 mg/kg PO q 8 -12hrs
10-15 mg/cat PO q 6 - 8hrs
Oxybutynin (anticholinergic) Detrusor hyperspasticity 0.5 mg/cat PO q 8 - 12hrs
Oxymetholone Anabolic agent 1 mg/kg PO q 12 - 24hrs
Oxymorphone Preanaesthetic 0.1-0.2 mg/kg IM, IV with ACP or atropine
Oxytetracycline Susceptible infections 55-82.5 mg/kg PO q 8hrs
Haemobartonella 20-40 mg/kg PO q 8hrs for 3 weeks
Oxytocin Acute metritis 0.5-1.0 IU/kg IV, IM, SQ q 2hrs for max of 3 doses
Paclitaxel (mitotic inhibitor) Chemotherapy 5 mg/kg IV pre-treat for anaphylaxis
Pancreatic enzymes Exocrine pancreatic insufficiency 1-2 tablets, 1-2 teaspoons PO 20 mins prior to food, bid
Pancuronium bromide Paralytic agent for controlled anaesthesia 0.044-0.11 mg/kg IV stat
Paregoric Antidiarrhoeal 0.05-0.06 mg/kg PO q 8 - 12hrs
Paromomycin (aminosidine) Cryptosporidium spp 125-165 mg/kg PO q 12hrs for 5 days
Paroxetine (SSRI) Behaviour modification 1.25-2.5 mg/cat PO q 24hrs
Parvaquone Toxoplasmosis 10-30 mg/kg IM q 24hrs
D- penicillamine Progressive hepatitis 10-15 mg/kg PO q 12hrs
Penicillin G Susceptible infections 20-30 mg/kg PO q 6 - 8hrs
Pentazocine Analgesia 2.2-3.3 mg/kg IV, IM, SQ q 4hrs
Pentobarbital General anaesthesia 25-30 mg/kg IV to effect
Status epilepticus 5-15 mg/kg IV to effect
Sedation 2-4 mg/kg PO q 6hrs
Pentosan polysuphate Disease modifying agent, arthritis 3 mg/kg IM, SQ q 7 days
Pentoxifylline (phosphodiesterase antagonist) Dermatomyositis 100 mg/cat PO q 8 - 12hrs
Autoimmune skin diseases 10-15 mg/kg PO q 24hrs
Periactin Appetite stimulant 1-4 mg/cat PO q 12 - 24hrs
Petrolatum, white Laxative 1-5 ml/cat PO q 24hrs
Phenamidine isethionate Babesiosis 7.5 mg/kg IM, SQ q 24hrs x 2
Phenobarbital Status epilepticus 2.5-5 mg/kg PO, IM, IV q 12hrs
Phenoxybenzamine HCl (a-adrenergic antagonist) Acute hypertension from Pheochromocytoma 0.5 mg/kg PO q 12hrs
Detrusor areflexia 2.5-10 mg/cat PO q 8 - 12hrs
Relaxation of urinary sphincter 0.5 mg/kg IV stat
Endotoxemia 2.5-10.0 mg/cat PO q 24hrs
Phentolamine (a-adrenergic antagonist) Hypertension from Pheochromocytoma 0.02-0.1 mg/kg IV stat
Phenylephrine (a-adrenergic agonist) Vasopressor, decongestant, mydriatic 0.15 mg/kg IV as needed
Phenylpropanolamine Urethral sphincter incompetence 1.5-2.0 mg/kg PO q 8hrs
Phenytoin Seizures, ventricular arrhythmias 2-3 mg/kg PO q 24hrs
Phosphate (K or Na) Hypophosphatemia 4.5 mg/dl serum phosphate IV over 6 hrs
Physostigmine (Syrup) Myasthenia gravis, Glaucoma, magic-mushroom intoxication 0.25-5.0 mg/cat IM q 12hrs
Physostigmine (0.5%) Feline dysautonomia apply 1/8 inch topically q 8hrs
Phytomenadione See Vitamin K1
Pilocarpine 1% ophthalmic Dysautonomia, glaucoma 1 drop topically q 6hrs
Pimaricin (Pimaracin) Ocular fungal infections 1 drop topically q 3 - 8hrs
Piperacillin sodium Susceptible infections 25-50 mg/kg IV, IM q 8 - 12hrs
Piperacillin-tazobactum Susceptible infections 25-50 mg/kg IV q 6 - 8hrs
Piperazine Helminths 44-66 mg/kg PO repeat in 3 weeks
Piroxicam (NSAID, non-selective COX inhibitor) Analgesia, Neoplasia 0.3 mg/kg PO q 24 - 72hrs
http://en.wikipedia.org/wiki/Plicamycin Plicamycin] Hypercalcemia, testicular cancer, malignancies 0.25-0.50 µg/kg IV q 24hrs x 2
Polyethylene glycol Lubricant, intestinal cathartic 25 ml/kg PO then repeat in 2-4 hrs before GI exam
Polyethylene glycol electrolyte solution Electrolyte replacement 25 ml/kg PO q 2 - 4hrs
Polymixin B Sepsis 1-2 mg/kg IV stat
Polysulfated glycosaminoglycans Degenerative joint disease 2-5 mg/kg IM q 3 - 5days
Posaconazole Aspergillosis 2.5 - 3.75 mg/kg PO q 12 hrs
Potassium chloride Potassium supplementation 0.10-0.25 ml/kg PO q 8hrs
Hypokalemia 0.5 mEq/kg IV not to exceed 0.5 mEq/kg/hr
1-3 mEq PO. IV q 24hrs
10-40 mEq/500 ml of fluid, depending on serum potassium IV, SQ stat
Potassium citrate Urolithiasis 50-75 mg/kg PO q 12hrs
Potassium gluconate Hypokalemic polymyopathy 5-8 mEq/cat PO q 12 - 24hrs
Potassium iodide Sporotrichosis spp, pythiosis 30-100 mg/cat PO q 24hrs for 10-14 days
Potassium permanganate (1:2000) Strychnine toxicosis 5 ml/kg in gastric lavage PO stat
Potassium phosphate see Phosphate
Povidone-iodine Burns Apply light coating Topically q 12 - 24hrs
Pradofloxacin (Fluoroquinolone) Broad-spectrum antimicrobial 5 - 10 mg/kg PO, SQ q 24 hrs for 7 days
Pralidoxime chloride (2-PAM) Organophosphate toxicosis 20 mg/kg IV, IM, SQ q 12hrs
Praziquantel Echinococcus spp, Dipylidium spp 5 mg/kg PO stat
Platynosomum spp, Paragonimus spp 25-30 mg/kg PO q 24 hrs for 5-10 days
Prazosin (a1-adrenergic antagonist) After load reductions 0.5-2.0 mg/cat PO q 8 - 12hrs
Urethral obstruction 0.5-2.0 mg/cat (0.07mg/kg) PO q 8 - 12hrs
Prednisolone Eosinophilic ulcers, plasma cell gingivitis 1-2 mg/kg PO q 24hrs (each evening)
Plasmacytic lymphocytic enteritis 1-2 mg/kg PO q 12hrs, then taper dose weekly
Urethritis, persistent hematuria 2.5-5.0 mg/kg PO q 24 - 48hrs
Anti-inflammatory 2.2 mg/kg PO q 12 - 24hrs
Hypoadrenocorticism 1 mg/kg PO q 12hrs
Chronic therapy 2-4 mg/kg PO q 48hrs
Immune-mediated skin diseases 1.1-2.2 mg/kg PO q 12hrs until remission, then taper
FIP 4 mg/kg PO q 24hrs with cyclophosphamide
Allergy 1 mg/kg PO, IM q 12hrs
Immunosuppression 3 mg/kg PO q 12hrs
Lymphosarcoma, myeloproliferative disorders 1 mg/kg PO q 24hrs
Multiple myeloma 0.5 mg/kg PO q 24hrs
Prednisolone acetate Hypoadrenocorticism 0.1-0.2 mg/kg IM q 12hrs
Prednisolone sodium phosphate Shock 15 mg/kg IV q 4 - 6hrs
Prednisolone sodium succinate Allergic bronchitis, asthma 15-30 mg/kg IV, IM to effective dose
Shock 15-30 mg/kg IV q 4 - 6hrs
CNS trauma 15-30 mg/kg IV then taper to effective dose
Pregabalin Epilepsy 5 -10 mg/kg PO q 12 hrs
Prilium Congestive heart failure and Chronic renal disease 150 mg syrup PO 0.5ml q 24hrs
Primaquine Feline babesiosis 0.5 mg/kg PO, IM stat
Procainamide Ventricular arrhythmias 62.5 mg/cat PO q 6hrs
Prochlorperazine Antiemetic 0.1 mg/kg IM q 6hrs
0.5 mg/kg PO q 6 - 8hrs
Promazine hydrochloride Preanaesthetic 2.2-6.6 mg/kg IV stat
Antiemetic 1-2 mg/kg IM, IV q 4 - 6hrs
Promethazine HCl Antihistamine, antiemetic 0.2-0.4 mg/kg IV, IM, PO q 6 - 8hrs
Propantheline bromide Acute colitis, irritable bowel syndrome, antiemetic 0.22-0.25 mg/kg PO q 8hrs up to 3 days
Detrusor hyperspasticity, urge incontinence 0.2 mg/kg PO q 6 - 8hrs
Propriomazine Sedation 1.1-4.4 mg/kg IV, IM q 12 - 24hrs
Propionibacterium acnes Immunostimulation, [feline%20leukemia.htm FeLV associated disease], retrovirus infection 15 µg/kg IV biweekly for 2 - 3 weeks
Propofol General anaesthesia, status epilepticus Induction: 6-8 mg/kg IV stat
Induction: 2.5-4.0 mg/kg IV with premedication
Maintenance: 0.51 mg/kg IV q min
Propranolol (ß-adrenergic antagonist) Ventricular hypertrophy, aortic stenosis, HCM 0.4-1.2 mg/kg PO q 8 - 12hrs
Ventricular arrhythmias 0.02-0.06 mg/kg IV over 2-3 min; q 8hrs
0.25-0.5 mg IV followed by
2.5-5.0 mg PO q 8hrs
hypertrophic cardiomyopathy, valvular insufficiency 2.5 mg/cat PO q 8 - 12hrs
Hypertension 2.5-5.0 mg/cat PO q 8 - 12hrs
Tachyarrhythmias from endocrinopathies 2.5-5.0 mg PO q 8 - 12hrs
Propylthiouracil (PTU) Hyperthyroidism 10 mg/kg PO q 8hrs
50 mg/cat PO q 8 - 12hrs
Prostaglandin F2 alpha Pyometra, Cystic endometrial hyperplasia 0.10-0.25 mg/kg SQ q 24hrs for 3-5 days
Abortion 0.5-1.0 mg/kg; 40 days post-conception SQ 2 injections 24 hrs apart
Protamine sulphate Heparin antagonist 1.0-1.5 mg for every 100 IU heparin IV stat
Pseudoephedrine Nasal decongestant 15-30 mg/cat PO q 8 - 12hrs
Urinary incontinence 0.2-0.4 mg/kg PO q 8 - 12hrs
Psyllium Bulk laxative 1-3 tsp PO q 8 - 12hrs
Pyrantel pamoate Roundworm, hookworm 10 mg/kg PO repeat in 2 weeks
Pyridostigmine bromide Myasthenia gravis(acquired) 1-5 mg PO stat
0.25 mg/kg PO q 24hrs
Antidote (curariform) 0.15-0.30 mg/kg IM, IV
Pyrilamine maleate Antihistamine 12.5-25.0 mg/cat PO q 6hrs
Pyrimethamine Malaria, Neosporosis 0.25-1.0 mg/kg PO q 24hrs
Toxoplasma 0.5-2.0 mg/kg PO q 12hrs for 14 - 28days
Enteroepithelial cycle 2 mg/kg PO q 24hrs for 14 - 28 days
Quinacrine Giardia spp, Coccidiosis 11 mg/kg PO q 24hrs for 5 days
Ranitidine (Zantac) H-2 receptor antagonist for use in gastritis, GI tract ulceration 0.5 mg/kg IV, PO, SQ q 12hrs
Hypergastrinemia associated with chronic renal insufficiency 3.5 mg/kg PO q 12hrs
Retinol (Vit A) Dermatological lesions 625-800 IU/kg PO q 24hrs
Ribavirin Susceptible viral infections 11 mg/kg PO, IM, IV q 24hrs for 7 days
Riboflavin (Vit B12) Bartonellosis (with doxycycline) 5-10 mg/kg PO q 24hrs for 14days
Rifampicin Susceptible infections 10-20 mg/kg PO q 24hrs
Ringer's solution Maintenance solution 40-50 ml/kg IV, SC, IP q 24hrs
Ronidazole (Ronivet) Tritrichomoniasis 30 mg/kg PO q 24hrs for 14 days
(warning: low therapeutic margin) 20mg/kg PO q12hrs for 14 days
Roxithromycin Susceptible infections 15 mg/kg PO q 24hrs
Rutin Chylothorax, limb lymphedema 50 mg/kg PO q 8hrs
Secnidazole Giardia spp 30 mg/kg PO stat
Selegiline (Fitergol) Cognitive disorders 0.5 mg/kg PO q 24hrs
Hyperadrenocorticism 1-2 mg/kg PO q 24hrs
Selamectin Parasiticide 6 mg/kg Topical q 30days
Selenious acid, sodium selenite Supplementation 0.3 mg/kg PO stat
Selenium Pancreatitis 0.1 mg/kg IV stat
Senna Constipation 5 ml/cat PO q 24hrs
Silver nitrate solution (0.5%) Burns Saturate wet dressing Topically q 12hrs
Sulfadiazine Burns Apply light coating Topically q 12hrs
Sodium bicarbonate Renal failure 10-15 mg/kg PO q 8hrs
Toxicoses 50 mg/kg PO q 8 - 12hrs
Hyperkalemic crisis 2-3 mEq IV over 30 mins
Urine alkalisation 0.65-5.85 g PO q 24hrs
Sodium chloride Hypoadrenocorticism 1-5 g PO q 24hrs
Hyponatremia, acute renal failure 1-4 g PO q 8hrs
(0.9% soln) 40-50 ml/kg IV, SQ, IP q 24hrs
Sodium iodide, 20% soln Sporotrichosis spp 0.5 ml/5kg PO q 24hrs
Susceptible infections 20 mg/kg PO q 24hrs for 4 - 6 wks
Sodium phosphate Hypercalcemia Dilute 1-3 g with water (1:1) and give 10-20 ml PO q 8 - 24hrs until stools are soft

Sodium polystyrene sulphonate

Hypercalcemia 8-15 g/cat PO q 8hrs
Sodium thiopental Anaesthesia 3-15 mg/kg IV to effect
Sorafenib Chemotherapy 2 mg/kg PO once daily
Sorbitol (70% soln) Stool softener 3 ml/kg PO stat
Sotalol (ß-adrenoceptor antagonist) Ventricular arrhythmias 1-2 mg/kg PO q 12hrs
Spectinomycin Susceptible infections 5-12 mg/kg IM q 12hrs
Spiramycin Toxoplasmosis 12.5-23 mg/cat PO q 24hrs
Spironolactone Diuretic: heart failure 2-4 mg/kg PO
Primary hyperaldosteronism 1 mg/kg PO q 12hrs
Hepatic insufficiency 12.5 mg/cat PO q 24hrs
Spironolactone / hydrochlorothiazide Diuretic, antihypertensive agent 1-2 mg/kg PO q 12-24hrs
Stanozolol Anabolic agent, anaemia 1-2 mg/cat PO q 12hrs
10-25 mg/kg PO q 7days
Staphage lysate Immune stimulant 0.1-0.2 ml/cat SQ then
incremental doses to 1.0ml SQ 1 - 2 for a week, then
0.5 ml SQ weekly for 10 - 12 weeks
Staphylococcal A Immune stimulant 20 µg/2.75kg IP q 3 - 5 days
Streptomycin, dihydro Leptospirosis, endocarditis, Mycobacterium spp, Yersinia pestis 10 mg/kg IM q6hrs
Styrid caricide (styrylpyridium chloride plus diethylcarbamazine) Antiparasiticide 6.7mg/kg PO q 24hrs
Succinylcholine Paralysis 0.06-0.11 mg/kg IV stat
Sucralfate Gastrointestinal ulceration 250-500 mg/cat PO q 8 - 12hrs
Hemorrhagic pancreatitis, vomiting with renal failure 40 mg/kg PO q 8hrs
Sufentanil (opioid agonist) Premedicant with ACP 2 µg/kg (max dose 5 µg/kg) IV stat
Sulfadiazine Nocardiosis 220 mg/kg PO for 1 treatment, then
50-110 mg/kg PO q 12hrs
Toxoplasmosis 15-50 mg/kg (with pyrimethamine) PO q 24hrs, divided, for 14 days
Sulfadiazine/Trimethoprim Susceptible infections 30 mg/kg PO, SQ q 24hrs
Meningitis 15 mg/kg PO, IV q 8 - 12hrs
Nocardiosis 30-60 mg/kg PO, SQ q 12hrs
Sulfadimethoxine Susceptible infections 25-50 mg/kg PO, IM, IV q 12 - 24hrs for max of 21days
Coccidiosis 55 mg/kg (loading), then 27.5 mg/kg PO q 24hrs
Sulfaguanidine Coccidiosis 100-200 mg/kg PO q 8hrs
Sulfamethazine, sulfamerazine Coccidiosis 200 mg/kg (loading), then 50 mg/kg PO q12hrs
Sulfamethoxazole Susceptible infections 100 mg/kg (loading), then 50 mg/kg PO q 12hrs
Sulfamethoxazole/Trimethoprim Susceptible infections 15 mg/kg PO q 12hrs
Sulfasalazine Lymphocytic plasmacytic enteritis 250 mg/cat PO q 8hrs for 3 days, then q 24hrs
Irritable bowel disease 20-25 mg/kg PO q 12 -24hrs
Susceptible bacterial infections 20 mg/kg PO q 12hrs
Sulfisoxazole Urinary tract infections 50 mg/kg PO q 8hrs
Sulfobromophthalein sodium Hepatic function testing 5 mg/kg IV collect serum 30 min after BSP injection
Suprofen ophthalmic Allergic conjunctivitis 1% Topically q 8 - 12hrs
Tacrolimus Otitis externa 0.1% lotion topical q 12hrs
Tamiflu Viral disease 2-4 mg/kg PO q 12hrs within 48hrs of infection
Taurine Taurine deficiency, dilated cardiomyopathy 250-500 mg/cat PO q 12hrs
Central retinal degeneration 250 mg/cat PO q 12 - 24hrs
Telazol (Zoletil - Tiletamine / zolazepam) Restraint 6.6 mg/kg IM stat
Anaesthesia 11-15 mg/kg IM stat
Temaril-P (Trimeprazine and prednisolone) Allergy 0.7-1.1 mg/kg PO q 12 - 24hrs
Terbinafine (Lamasil) Fungal infections 20 - 30 mg/kg PO q 24hrs for 4 - 10 wks
Terbutaline sulphate (ß2-adrenoceptor agonist) Bronchodilator 0.01 mg/kg SQ, IM q 4hrs
1.25-2.5 mg/cat PO q 8 hrs
Testosterone cypionate Hormone replacement 2.2 mg/kg IM q 2 - 3 days
Testosterone, methyl Anabolic effects 1-2 mg/kg; max 30 mg/day PO q 24hrs
Testosterone propionate Feline symmetrical alopecia 12.5 mg with oestrogen IM stat
Urinary incontinence 5-10 mg IM stat
0.5-1.0 mg/kg IM q 2 - 3 days
Tetanus toxoid Tetanus treatment 0.2 ml (test dose), then give 100-500 units/kg SQ watch for anaphylaxis for 30 min
Tetracycline Acute bronchitis 10-25 mg/kg PO q 8 - 12krs
Rickettsia spp 15 mg/kg PO q 8hrs for 21 days
Mycobacterium spp 22 mg/kg PO q 8hrs
Susceptible infections 1-5 mg/kg IV, IM q 8 - 12hrs
Theophylline Bronchodilator 4 mg/kg PO, IM q 8 - 12hrs
Theo-Dur (Sustained release) Bronchodilator 20-25 mg/kg PO q 24hrs, at night
Thiabendazole Heartworm disease adulticide 35 mg/kg PO q 12hrs for 20 days
Strongyloides 125 mg/kg PO q 24hrs for 3 days
Thiacetarsamide Heartworm adulticide 2.2 mg/kg IV q 12hrs for 2 days
Thiamine (Vit B12) Thiamine deficiency 1-2 mg/cat IM q 12hrs until regression of symptoms
100-250 mg/kg SQ q 12hrs
Thiamylal sodium Anaesthesia 8.8-13.3 mg/kg IV after tranquilisation
Thioguanine Lymphocytic and granulocytic leukaemia 25 mg/m2 PO q 24hrs for 1-5 days, then 130 days
Thyroid Hypothyroidism 15-20 mg/kg/day PO q 24hrs
Thiopentone General anaesthesia, status epilepticus 3-15 mg/kg IV to effect
Thyrotropin (TSH) Provocative testing 1 IU/kg IM Collect baseline and post-TSH samples
Acanthosis nigrans, hypothyroidism 1-2 IU SQ q 24hrs for 5 days
L-Thyroxine (levothyroxine) Hypothyroidism 0.5 mg/m2 PO q 12hrs
20-30 µg/kg PO q 24hrs
Ticarcillin Susceptible infections 33-50 mg/kg IM, IV q 6 - 8kg
55-110 mg/kg IM, Iv q 4 - 6hrs
Ticarcillin/clavulanate As above
Tiletamine / zolazepam Minor procedure 9.7-11.9 mg/kg IM stat
Castration 10.6-12.5 mg/kg IM do not exceed 72mg/kg with repeat doses
Spey 14.3-15.8 mg/kg IM stat
Tilmicosin Pasteurella spp, Leptospira spp 10 mg/kg SQ stat
Tinidazole Gingivitis, Giardia spp 30 mg/kg PO q 24hrs for 14 days
Tiopronin Cystine urinary calculi 15-20 mg/kg PO q 12hrs
Tolazoline Xylazine reversal 2 mg/kg IV stat
Tolfenamic acid (Tolfedine) Analgesia 4 mg/kg IM, SQ, PO q 24 hrs
Toltrazuril (Baycox) Coccidiosis 5-20 mg/kg PO q 24hrs x 2-5 treatments
Toluene Anthelmintic 267 mg/kg PO repeat in 2-4 weeks
Tramadol Opioid analgesia 1-2 mg/kg PO q 8 - 12hrs
12.5 mg/cat PO q12hrs
Tretinoin Acne, nasal hyperkeratosis 0.25-0.5 mg/kg PO q 24hrs for 7 days
Triamcinolone Gingivitis, pododermatitis 2-4 mg PO q 24 - 48hrs
Hypokalemic polymyopathy 0.5-1.0 mg/kg PO q 24hrs
Antiinflammatory 0.11-0.22 mg/kg IM, SQ stat
Pannus, eosinophilic keratitis, episcleritis 4 mg Subconjunctival stat
Esophageal stricture 1-2 mg/cat submucosal stat
Glucocorticoid effect 0.1-0.2 mg/kg IM, SQ q 24hrs
Triamterene Diuretic 1-2 mg/kg PO q 12hrs
Trientine hydrochloride Chelating agent 10-15 mg/kg PO q 12hrs
Triethylene thiophosphoramide Bladder neoplasia 30 mg/m2 Intravesicular q 3 - 4wks
Thiethylperazine Antipsychotic 0.13-0.2 mg/kg IM q 8 - 12hrs
Trifluoperazine Antipsychotic 0.03 mg/kg IM q 12hrs
Triflupromazine Behaviour modification 0.1-0.3 mg/kg IM, PO q 8 - 12hrs
Trifluridine ophthalmic herpes infection 0.1% soln, 1-2 drops Topically q 34 - 8hrs
Triiodothyronine (T3) Hypothyroidism 4.4 µg/kg PO q 8 - 12hrs
Trilostane Cushing's syndrome 30 mg/kg PO q 12 - 24 hrs
Trimethoprim/sulfadiazine Susceptible infections 15 mg/kg PO, SQ, IV q 8 - 12hrs
Tripelennamine Antihistamine 1 mg/kg PO, IM q 12hrs
Trypan blue Feline babesiosis 4 mg/kg IV stat
Tylosin GI bacterial overgrowth 6.6-11 mg/kg IM q 12 hrs for 6 injections
Chronic colitis 25 mg PO q 8hrs
Urea Osmotic 300 mg IV stat
Urokinase Aortic thromboembolism 90,000 IU over 20 minutes, then 45,000 IU CRI IV for up to 24 hrs
Urofollitropin Hypogonadotropic anovulation 2 mg/cat IM q 24hrs
Ursodeoxycholic acid Chronic hepatitis 5-15 mg/kg PO q 24hrs
Valproic acid Epilepsy 25-65 mg/kg PO with Phenobarbital
10-105 mg/kg PO alone
Vanadium Hyperglycaemia 0.2 mg/kg PO q 24hrs
Vasopressin, aqueous Central diabetes insipidus 10 mU/cat IV, IM as needed
Vasopressin, tannate in oil Central diabetes insipidus 2.5-5.0 U/cat IM q 1- 7 days
Vecuronium bromide Paralytic agent for controlled anaesthesia 40 µg/kg IV over 30 min
Verapamil (calcium channel blocker) Supraventricular arrhythmias 10-15 mg/kg PO q 24hrs, divided
Conversion of rapid supraventricular tachycardia 1.1-4.4 mg/kg PO q 8 - 12hrs
Vidarabine Ocular herpesviral infection 1/8 inch Topically q 6 - 8hrs
Vinblastine Mast cell tumour, [lymphosarcoma.htm LSA] 0.1-0.4 mg/kg IV q7-14 days
Vincristine Thrombocytopenia 0.01-0.025 mg/kg IV q 7-10 days
Lymphosarcoma 0.5-1.0 mg/m2 IV once weekly
Neoplasia 0.5-0.75 mg/m2 IV q 7 - 14days
Viokase Exocrine pancreatic insufficiency 325 mg PO with each meal
Vitamin A Dietary supplement 400 U/kg PO q 24hrs for 10d
Vitamin B1 see Thiamine
Vitamin B2 5-10 mg/cat PO q 24hrs
Vitamin B complex Vitamin B deficiency 0.5-1.0 ml IV, IM, SQ q 24hrs
Vitamin C see Ascorbic acid
Vitamin D (dihydrotachysterol) Hypocalcemia 0.02 mg/kg PO Initially, then
0.01 mg/kg PO q 24 - 48hrs
Vitamin D2 (ergocalciferol) Hypocalcemia 4000-6000 U/kg PO q 24hrs, initially, then
500-1000 U/kg PO q 24 - 48hrs
Vitamin D3 (calcitriol - 1-25, dihydroxy vitamin D3) Hypocalcemia 0.03-0.06 µg/kg PO q 24hrs
Chronic renal disease 0.025 µg/kg PO q 24hrs
Vitamin E Vitamin E deficient myositis, [yellow%20fat%20disease.htm steatitis] 10-20 IU/kg PO q 12hrs
autoimmune skin diseases 400-600 IU/cat PO q 12hrs
Vitamin K1 Deficiency, hepatopathy 1-3mg/kg SQ, PO q 12hrs for 4 - 6 weeks
5mg/kg PO q 24hrs, divided doses
Voriconazole Aspergillosis 5 mg/kg PO q 24hrs. May cause neurotoxicity
Warfarin Aortic thromboembolism 0.06-0.20 mg/kg PO q 24hrs. Maintain PTT at 2 - 2.5 times normal
Xylazine Muscle relaxation 1.50 ml per 100 kg IV stat
Zafirlukast Leukotriene receptor antagonist 0.15-0.2mg/kg PO q 12 - 24hrs
Zidovudine (AZT) Antiviral 5-20 mg/kg SQ, PO q 8 - 12 hrs
Zinc Antioxidant 2-3 mg/kg PO q 24 hrs
Zithromax (Azithromycin)] Susceptible infections 5 mg/kg PO q 24 - 48 hrs
Susceptible infections 80 mg stat PO weekly x 3
Zonisamide Epilepsy 5 mg/kg PO q 12 hours