Dog Formulary - VetInfo


All medications to be given orally unless otherwise noted. IM = intramuscular injection; IP = intraperitoneal injection; SC = subcutaneous injection; IV = intravenous injection Drug Available Formulations Indication Dosage Major Precautions /Notes acepromazine PromAce Rx, generics; 10mg/ml inj., 2mg, 5mg, 10mg tablets 1) Sedation, car sickness 2) Preanesthesia 1) up to 1mg/lb, lower dosages often work well 2) 0.01 to 0.02mg/lb SQ injection Very few veterinarians use the high dose ranges, included preanesthesia injection dosage due to show low dosage range acetaminophen Tylenol Rx anti-inflammatory, may be in other medications 15mg/kg every 8 hours Never administer acetaminophen to cats! acetaminophen in combination with codeine or hydrocodone Tylenol III, Vicodin, others; several combinations pain relief Dose based on the codeine or hydrocodone dosage 1) codeine = 0.5 to1mg/kg 2) hydrocodone = 0.25 to 0.5mg/kg can be used for cough suppression but it is probably better to use the individual codeine or hydrocodone products for this acetazolamide Diamox 125mg, 250mg glaucoma 4-8mg/kg every 8 to 12 hours acetylcysteine Mucomyst Rx eye ulcers 2% solution topically q2hr Adequan (polysulfated-glycosaminoglycan) 100mg/ml for injection arthritis 4.4mg/kg IM usually given weekly for 5 doses then every 3 weeks albendazole Valbazen 113.6mg/ml suspension 1) coccidia 2) giardia 1) 25-50mg/kg every 12hr x 3 days 2) 25mg/kg every 12hr x 2 days albuterol Ventolin or Proventil 2,4,5mg tablets, 2mg/5ml syrup 20-50ug/kg every 6 hrs may use 100ug/kg for brief periods; available in inhalant form allopurinol Lopurin, Zyloprim; 100 and 300mg tablets urea stones in dalmatians 10mg/kg every 24 hours May be used more frequently initially alprazolam Xanax Rx; 2mg tablets anxiety/panic 0.01 to 0.1mg/kg as necessary, do not exceed 4mg/dog/day 1 to 2mg is usually enough for a medium sized dog aluminum carbonate gel Basalgel 500mg capsules 10 to 30 mg/kg with meals or every 8 hrs aluminum hydroxide Amphojel 64mg/ml oral suspension, 600mg tablet 10-30mg/kg with meals or every 8 hrs. amikacin (injectable antibiotic) Amiglyde-V, generics 5mg/ml injection 5mg to 6.5mg/kg SC or IV every 8 hours or 20mg/kg every 24 hours causes kidney failure in some patients aminopentamide Centrine, 0.2mg tablet, 0.5mg/ml injection vomiting 0.01 to 0.03mg/kg every 8 to 12 hours not very effective in our opinion aminophylline generics; 100 and 200mg tablets bronchodilation 10mg/kg every 8 hrs it is considered better to use theophylline in most cases for diseases both treat amitraz Mitban demodectic mange 1 bottle (10.6ml) per 2 gallons of water, sponge mixture on dog thoroughly every 2 weeks. treament often causes drowsiness and some deaths have been reported after use; other dosages and treatment intervals have been advocated but use caution if increasing dosage or decreasing treatment interval amitriptyline Elavil, 10mg, 25mg, 50mg, 75mg, 100mg tabs 1) chronic pain 2) thunderstorm and other anxieties 1) 1 to 2mg/kg every 12 to 24 hours 2) 1 to 4mg/kg every 12 to 24 hours continuously during thunderstorm season for thunderstorm anxiety this is usually used continuously and supplemented with diazepam or alprazolam on stormy days amlodipine Norvasc; 2.5mg tablets high blood pressure 2.5mg/dog/day or 0.1mg/kg ammonium chloride generics urinary acidification 100mg/kg every 12 hours mix with food amoxicillin Amoxi-Tabs, Amoxi-Drops, others; 50mg, 100mg tabs, 50mg/ml oral suspension antibiotic 10mg/lb every 12 hours note that this dosage is in pounds, not kg amoxicillin/clav-ulanic acid Clavamox, 62.5mg/ml oral suspension, 62.5mg, 125mg tabs antibiotic 12.5 to 25mg/kg every 12 hours Augmentin Rx, the human medication of similar formulation has higher clavulanic acid level ampicillin generics antibiotic 20 to 40mg/kg every 8 hours amprolium Corid; 20% powder, 9.6% solution coccidia approximately 1.25gm/day apomorphine compounded induce vomiting in toxicities 0.25mg instilled in conjunctiva of the eye or 0.02 to 0.04mg/kg IV this is the most reliable drug for inducing vomiting in dogs in our experience ascorbic acid Vitamin C dosages of more than 500mg/day have slight safety concerns aspirin generics, 81mg tablets 1) pain relief 2) anti-inflammatory dose 1) 10mg/lb every 12 hours 2) 20 to 25mg/kg every 12 hrs some dosing schedules call for every 72 hr use since aspirin can be toxic to cats astemizole Hismanal; 10mg tablets 0.2mg/kg every 24 hours atenolol Tenormin; 25mg, 50mg tablets, 25mg/ml oral suspension 1) heart arrhythmia's 2) hypertension 6.25 to 12.5mg/dog every 12 hrs azathioprine Imuran; 50mg tablets immune mediated diseases 2mg/kg daily until disease is controlled, then 1mg/kg every 48 hours Use lowest dose that will control the disease long term azithromycin Zithromax, 1gm packets for suspension, 250mg tablets and capsule, 600mg tablet chronic upper airway disease 10mg/kg every 5 days or 3.3mg/kg every 24 hours for 3 doses benazepril Lotensin; 5mg, 10mg, 20mg and 40mg tablets high blood pressure 0.25 to 0.5mg/kg every 24 hrs bethanechol Urecholine; 5mg, 10mg, 25mg and 50mg tablets 5 to 15mg/dog every 8 hours bismuth subsalicylate Pepto-Bismol; 262mg/15ml 1ml to 3ml/kg every 8hrs buspirone Buspar; 5mg and 10mg tablets anxiety disorders 1mg/kg every 8 to 24 hous may reduce inhibitions for biting behaviors, so use with caution butorphanol Torbutrol; 1, 5 and 10mg tablets 1) coughing 2) pain relief 1) 0.55mg/kg every 6 to 8 hrs 2)0.55 to 1.1mg/kg every 6 to 8 hours only moderately effective for pain relief calcitriol Rocaltrol chronic renal failure 2.5 to 3ng/kg every 24 hrs note that this is nanograms/kg dosage depends on calcium and phosphorous levels, usually must be formulated by compounding pharmacies, controversial effectiveness calcium carbonate Tums, generics, available calcium varies dietary requirements, phosphate binder 60 to 100mg/kg per day calcium lactate generics dietary requirements 0.5 to 2.0gm/dog/day usually given in divided doses with meals captopril Capoten; 25mg tablet 0.5 to 2mg/kg every 8 to 12 hours carbenicillin Geocillin; 500mg tablet antibiotic 10mg/kg every 8 hours carprofen Rimadyl; 25mg, 75mg and 100mg tablets 2.2mg/kg every 12 hours or 4.4mg/kg every 24 hours May cause liver failure in some dogs, discontinue if inappetance develops while on the medication cascara segrada Nature's Remedy; 100mg tablets, 325mg tablets constipation 1 to 5mg/kg/day castor oil generics, 100% solution 8 to 30ml/day cefaclor Ceclor; 250 and 500mg capsules, 25mg/ml oral suspension antibiotic 4 to 20mg/kg every 8 hrs cefadroxil Cefa-Tabs; 50mg, 100mg, 200mg and 1gm tablets; Cefa-Drops 50mg/ml antibiotic 22 to 30mg/kg every 12 hours cefixime Suprax 1) general antibiotic 2) urinary tract infections 1) 10mg/kg every 12 hrs 2) 5mg/kg every 12 to 24 hours cephalexin Keflex, generic antibiotic 10 to 15mg/lb every 12 hours chlorambucil Leukeran; 2mg tablet 0.1 to 0.2mg/kg every 48hrs may start with every 24hr usage chloramphenicol generics; 30mg/ml oral suspension, 250mg capsules antibiotic 40 to 50mg/kg every 8 hours handle cautiously, minor exposure can be toxic to humans chlorothiazide Diuril; 50mg/ml oral suspension diuretic 20-40mg/kg every 12 hours chlorpheniramine maleate Chlortrimeton, generics; 4mg tablets antihistamine 4 to 8mg/dog every 12 hours cimetidine Tagamet; 100,150, 200, 300mg tablets 1)ulcers 2)gastrointestinal protectant for kidney failure patients 1)10mg/kg every 8 hrs 2) 2.5 to 5mg every 12 hours cisapride Propulsid; 10mg tablet megacolon, constipation 0.1 to 0.5mg/kg every 8 to 12 hours available from compounding pharmacies clemastine Tavist; 1.34mg tablet, 2.64mg tablet, 0.134mg/ml syrup Allergic skin disease or upper respiratory disease 0.05mg to 0.1mg/kg every 12 hours clindamycin Antirobe, Cleocin; 25mg capsules, 75mg capsules, 150mg capsules, 25mg/ml syrup antibiotic, 11mg/kg every 12 hours or 22mg/kg every 24 hours Sometimes used for 5 to 10 days each month for chronic gingivitis clomipramine Clomicalm (veterinary), Anafranil (human), 5, 10mg, 20mg, 25mg, 50mg, 80mg tablets behavioral disorders 1 to 2mg/kg every every 12 hours For severe separation anxiety sometimes 3mg/kg is used clonazepam Klonopin, 0.5, 1 and 2mg tablets 0.5mg/kg every 8 to 12 hours clorazepate Tranxene; 3.75, 7.5, 11.25 and 15mg tablets 2mg/kg every 12 hours cloxacillin Cloxapen; 25mg/ml oral suspension anitibiotic 20 to 40mg/kg every 8 hours codeine generics, 15 mg, 30mg, 60mg tablets, 5mg/ml syrup, 3mg/ml solution 1)cough suppressant 2) pain relief 1) 0.1 to 0.3mg/kg every 4 to 6 hrs 2) 0.5 to 1mg/kg every 4 to 6 hours For combination products with aspirin or acetaminophen it is usually OK to dose for the codeine cholchicine generic, 500ug and 600ug tablets (0.5, 0.6mg) 0.01 to 0.3mg/kg every 24 hours cyclophos-phamide Cytoxan; 25 and 50mg tablets 6.25 to 12.5mg/cat once daily for 4 days, then 3 days off cyclosporine (oral) Sandimmune, Neoral; 100mg/ml oral solution, 25mg and 100mg capsules Immune mediated diseases 3 to 7mg/kg every 12 hours Important to adjust dosage based on measuring serum levels cyclosporine ophthalmic Optimmune 0.2% compounded drops of 1% or 2% in olive or corn oil ointment: apply a 1/4th inch strip every 12 hours drops: 1 drop every 12 hours To meet the legal requirements for dispensing it is necessary to start with the approved medication and see that it does not work before using compounded formulas cyproheptadine Periactin; 4mg tablet, 2mg/5ml syrup asthma 1) 1.1mg/kg every 12 hours Dantrolene Dantrium; 100mg capsule 0.5 to 2mg/kg every 12 hours dexamethasone Azium and generics; injection 2mg/ml, 4mg/ml, tablets 0.25mg, 0.5mg, 0.75mg, 1mg, 1.5mg, 2mg, 4mg and 6mg 1) inflammation 2) shock 3) spinal injury 4) dexamethasone suppression testing 1) 0.1mg/kg every 24 to 72 hrs 2 and 3) 2.2 to 4.4mg/kg IV 4) 0.1mg/kg IV, take samples pre and 4 and 8hrs post injection dextromethorphan many forms cough suppression 0.5 to 2mg/kg every 6 to 8 hours diazepam Valium; 5mg/ml injection, 2mg, 5mg tablets seizures 1) 0.5mg/kg IV or 1mg/kg rectally Rectal administration of diazepam for seizures works well, allows home treatment dichlorphenamide Daranide; 50mg tablet 3 to 5mg/kg every 8 to 12 hours dichlorvos Task; 10mg and 25mg tablets deworming (hook, round, whip worms) 11mg/kg Dogs MUST be heartworm negative if this medication is used diethylstilbestrol (DES) only available through compounding pharmacies urinary incontinence 0.1 to 1mg/dog every 24 hours then as infrequently as possible Often once or twice weekly doses will work. Do not exceed 1mg/dog! difloxacin Dicural; 11.4, 45.4 and 136mg tablets antibiotic (fluoroquinolone class) 5 to 10mg/kg once a day digoxin Lanoxin, Cardoxin; 0.0625, 0.125, 0.25mg tablets, 0.05 and 0.15mg/ml elixir diltiazem Cardizem; 30mg, 60mg, 90mg, 120mg tablets 0.5 to 1.5mg/kg every 8 hours For long acting (Cardizem CD), use 10mg/kg once a day dimhenhydrinate Dramamine; 50mg tablets Car sickness 4 to 8mg/kg every 8 hours diphenoxylate Lomotil; 2.5mg tablets to control diarrhea 0.1 to 0.2mg/kg every 8 to 12 hours ducosate (dioctyl-sodium-suflosuccinate, DSS) many OTC brands stool softener 50mg to 200mg/dog every 12 to 24 hours do not use at the same time as any mineral oil or petrolatum based product; if using ducuosate calcium, use ½ dosage doxycycline generics; 50mg capsules, 100mg capsules or tablets; 10mg/ml oral suspension antibiotic 3 to 5mg/kg every 12 hours or 10mg/kg every 24 hours enalapril Enacard, Vasotec; 2.5mg, 5mg, 10mg and 20mg tablets hypertension 0.5mg/kg every 12 to 24 hours most commonly used once daily Enrofloxaxin Baytril; 5.7mg, 22.7mg tablets antibiotic 5 to 20mg/kg/day Epsiprantel Cestex; 12.5mg, 25mg, 50mg, 100mg tablets kills tapeworms 5.5mg/kg PO erythromycin generics; 250mg tablet, 500mg tablet antibiotic 10 to 20mg/kg every 8 to 12 hrs may cause vomiting etretinate Tegison; 10 and 25mg capsules 1mg/kg/day with food or 10mg/day for small dogs and 10mg every 12 hours for big dogs (>35lbs) famotidine Pepcid AC; 10mg tablet GI protectant 0.5mg/kg every 12 to 24 hours fenbendazole Pancur Granules 22.7:; 100mg/ml liquid dewormer 50mg/kg/day for 3 days fentanyl transdermal patch Duragesic; 25ug, 50ug, 75ug, 100ug patches pain relief Apply 1 patch every 3 days good pain reliever for post surgical pain ferrous sulfate OTC iron supplement 100mg to 300mg/dog every 24 hours florfenical Nuflor injectable; 300mg/ml antibiotic 22mg/kg every 12 hours of the injectable liquid given orally fluconazole Diflucan; 50mg, 100mg, 150mg, 200mg tablets; 10 or 40mg/ml oral suspension antifungal 10-12mg/kg day flucytosine Ancobon; 75mg/ml oral suspension, 250mg capsule 25 to 50mg/kg every 6 to 8 hours fludrocortisone Flurinef; 0.1mg tablets hypoadrenocorticism 0.2 to 0.8mg/dog or 0.02mg/kg every 24 hours Usually start with low dosage and increase as necessary Flunixin Banamine; 250mg packet of granules Anti-inflammatory 1.1mg/kg/day Best not to use for more than 3 days fluoxetine Prozac; 10mg and 20mg capsules, 4mg/ml oral solution behavioral disorders 0.5mg to 1.0mg/kg/day Usually start with the low dose and then increase furosemide Salix; 12.5mg, 50mg tablets diuretic 2 to 6mg/kg up to three times a day water intake must not be restricted when using diuretics gemfibrozil Lopid; 300mg and 600mg capsules 7.5mg/kg every 12 hours glucosaminechondroitin Cosequin, many OTC brands; 500mg/400mg tablets arthritis 1 standardized tablet per 25 lbs of body weight per day glyburide Glynase, others; 1.25mg, 2.5mg and 5mg tablets 0.2mg/kg every 24 hours glycerin generic oral solutions 1 to 2mg/kg every 8 hours griseofulvin, microsize Fulvicin U/F; 125mg, 250mg, 500mg tablets, 25mg/ml oral suspension and 125mg/ml oral syrup ringworm 50mg/kg every 24 hours griseofulvin, ultramicrosize Fulvicin P/G; GrisPEG; 100mg, 125mg, 165mg, 250mg, 330mg tablets ringworm 15mg/kg every 12 hours (30mg/kg/day) hydralazine Apresoline; 10mg tablet 0.5mg/kg hydrochlorthiazide HydroDiuril; 25mg, 50mg tablets, 10 and 100mg/ml oral solution diuretic 2 to 4mg/kg every 12 hours hydrocortisone Cortef; 5mg, 10mg and 20mg tablets 1)corticosteroid replacement therapy 2) anti-inflammatory 1) 1 to 2mg/kg every 12 hours 2) 2.5 to 5mg/kg every 12 hours hydroxyurea Hydrea; 500mg capsules 50mg/kg once a day, use 3 days per week imipramine Tofranil; 10mg, 25mg, 50mg tablets 2 to 4mg/kg every 12 to 24 hours ipecac syrup to induce vomiting 3 to 6ml /dog About ½ to 1 teaspoonful isotretinoin Accutane; 10, 20 and 40mg tablets 1 to 3mg/kg every 24 hours itraconazole Sporanox; 100mg capsules fungal infections 2.5mg/kg every 12 hours or 5mg/kg every 24 hours ivermectin Ivomec, Eqvalan; 10mg/ml solution (oral or injectable); Heartgard or Iverhart/ 68ug, 136ug and 272ug tablets 1)heartworm prevention 2) demodectic mange 1) 6ug/kg once a month to prevent heartworms 2) 0.25 to 0.6mg/kg daily use for mange until two skin scrapings taken at weekly intervals are negative kaopectate Kaopectate 1 to 2ml/kg every 2 to 6 hours ketoconazole Nizoral; 200mg tablet, 100mg/ml oral suspension 1) most fungal infections 2) Malassezia yeast infections 1) 10 to 15mg/kg every 8 to 12 hours 2) 10mg/kg every 24 hours ketoprofen Orudis-KT (OTC); 12.5mg tablet non-steroidal anti-inflammatory medication 1mg/kg every 24 hours for no more than 5 days lactulose Chronulac, Enulose, Generlac; 10gm/15ml 1) constipation 2) hepatic encephalopathy 1) 1ml/10 lbs every 8 to 12 hours 2) 0.5ml/kg every 8 hours (note first dose is in pounds) leucovorin Wellovorin; 5mg, 10mg, 15mg and 25mg tablets, 3 and 5mg/ml solutions antidote for pyrimethamine (Daraprim Rx) poisoning 1mg/kg every 24 hours levamisole Levasole, Tamisol; 11.7gm/13gm packet 1) immune stimulant 2)heartworm microfilaria 1) 0.5 to 2mg/kg usually every 48 to 72 hours 2) 10mg/kg every 24 hours levodopa Larodopa; 100mg, 250mg, 500mg tablets hepatic encephalopathy 6.8mg/kg first dose, then 1.4mg/kg every 6 hours levothyroxine Soloxine, Thyro-Tabs; 0.1mg, 0.2mg tablets hypothyroidism (usually post therapy for hyperthyroidism) usually 0.1mg per 10 lbs of body weight up to 1mg/day maximum, adjusted by serum levels note dosage in pounds lincomycin Lincocin; 100mg, 200mg and 500mg tablets antibiotic 15 to 25mg/kg every 12 hours lisinopril Prinivil, Zestril; 2.5mg, 5mg, 10mg, 10mg and 40mg tablets 0.5mg/kg every 24 hours loperamide Immodium AD; 2mg tablet, 0.2mg/ml liquid control diarrhea 0.1mg/kg every 8 to 12 hours lufenuron Program; 45mg, 90mg, 135mg, 204.9mg and 409.8mg tablets 1) flea control 2) ringworm 1) 10mg/kg on the same day each month 2) 80 to 100mg/kg two days in a row, then monthly until cultures are negative magnesium citrate Citroma, Citro-Mag 2 to 4ml/kg magnesium hydroxide Milk of Magnesia cathartic 15 to 50ml/kg magnesium sulfate Epsom salts 8 to 25gm/dog every 24 hours MCT oil OTCs 1 to 2ml/kg/day in food mebendazole Telmintic dewormer (hooks, rounds, whips) 22mg/kg with food once a day for 3 days meclizine Antivert; 12.5, 25 and 50mg tablets motion sickness 25mg/dog/day give 1 hour prior to traveling megestrol acetate Ovaban, Megace; 5mg and 20mg tablets 1) stop estrus after first signs 2) delay estrus before signs 3) behavioral problems 1) 2mg/kg every 24 hours for 8 days 2) 0.5mg/kg once a day for 30 days 3) 2 to 4mg/kg initially then reduce to lowest effective dose at longest possible interval Metamucil (psyllium preparations) fiber source 1 teaspoonful per 10 to 25 lbs body weight note dosage is in pounds metaproterenol Alupent, Metaprel; 10 and 20mg tablets, 5mg/ml syrup, inhalers 0.325 to 0.65mg/kg every 4 to 6 hours methazolamide Neptazane; 25 and 50mg tablets 2 to 6mg/kg every 8 to 12 hours methanamine hippurate Hipres, Urex; 1 gram tablets 500mg/dog every 12 hours methanimine mandelate Mandelamine; 1 gram tablet, 50 and 100mg/ml suspension 10 to 20mg/kg every 8 to 12 hours methionine (d,l methionine) Uroeze, MethioForm; several forms 100 to 350mg/kg per dog per day methocarbamol Roaxin-V; 500 and 750mg tablets muscle relaxant, may work for some forms of tremoring 22 to 44mg/kg every 8 hours as necessary to control tremoring methylprednisolone Medrol; 1mg, 2mg, 4mg, 8mg, 18mg and 32mg tablets corticosteroid 0.22 to 0.44mg/kg every 12 to 24 hours, use on alternate days for longer term use methyltestosterone Android, generics; 10 and 25mg tablets 5 to 25mg/dog every 24 to 48 hours metoclopramide Reglan; 5mg, 10mg tablets, 1mg/ml oral solution to control vomiting 0.2 to 0.5mg/kg every 6 to 8 hours metoprolol tartrate Lopressor; 50 and 100mg tablets 0.5 to 1.0mg/kg, up to 50mg/dog/day metronidazole Flagyl, generics; 250mg and 500mg tablets, 50mg/ml suspension 1) anaerobic infections 2) giardia infection 3) inflammatory bowel disease 1) 10 to 25mg/kg every 24 hours 2) 17mg/kg every 24 hours for 8 days 3) 5 to 15mg/kg every 24 hours long term use associated with cancer in laboratory animals milbemycin oxime Interceptor; 2.3mg, 5.75mg, 11.5mg and 23mg tablets 1) heartworm prevention 2) demodecosis 1) 0.5mg/kg on the same day each month 2) 2mg/kg/day, usually for 3 to 4 months mineral oil OTC 10 to 50ml/cat every 12 hours mineral oil can be inhaled and causes inhalation pneumonia, so its use is questionable minocycline Minocin; 50 and 100mg tablets, 10mg/ml suspension antibiotic 5 to 12.5mg/kg every 12 hours morphine generics; 15mg and 30mg tablets 1mg/kg every 4 to 6 hours naltrexone Trexan; 50mg tablet behavioral disorders 2.2mg/kg every 12 hours neomycin Biosol; 200mg/ml oral suspension hepatic encephalopathy 10 to 20mg/kg every 6 to 12 hours neostigmine Prostigmin; Stiglyn; 15mg tablets 2mg/kg/day nitroglycerin ointment Nitrol, generics; 2% ointment 4 to 12mg topically every 12 hours nizatidine Axid; 150 and 300mg capsules 5mg/kg every 24 hours omeprazole Prilosec; 20mg capsule 20mg/dog per day or 0.7mg/kg/day ondansetron Zofran; 4 and 8mg tablets control vomiting associated with chemotherapy 0.5 to 1mg/kg given 30 minutes prior to chemotherapy agents available as an injection, same dosage orbifloxacin Orbax; 5.7, 22.7mg tablets antibiotic, fluoroquinolone 2.5 to 7.5mg/kg every 24 hours ormetroprim and sulfadimethoxine Primor; 120mg, 240mg, 600mg and 1200mg (combined mg strength) antibiotic 55mg/kg day 1, then 27.5 mg/kg every 24 hours oxacillin generics; 250mg and 500 capsules, 50mg/ml oral solution antibiotic 22 to 44mg/kg every 8 hours oxybutynin chloride Diropan; 5mg tablet helpful in some forms of incontinence in dogs 5mg/dog every 6 to 8 hours oxytetracycline generic; 250mg tablets antibiotic 20 to 25mg/kg every 12 hours pancrealipase Viokase powder pancreatic enzyme deficiency 2 tsp powder per 20lbs body weight, may be adjusted based on response paroxetine Paxil; 10mg, 20mg, 30mg and 40mg tablets behavioral disorders 0.5 to 1mg/kg every 24 hours d-penicillamine Cuprimine; 125mg capsules heavy metal poisoning antidote 10 to 15mg/kg use in cats is somewhat controversial penicillin V Pen-Vee; 250mg and 500mg tablets antibiotic 10mg/kg every 8 hours rarely used pentoxifylline Trental; 400mg tablets control itching associated with skin disease, also used for vasculitis 10mg/kg every 12 hours phenobarbital generics; 15mg, 30mg, 60mg, 100mg tablets; 4mg/ml oral elixir seizure control 2 to 8mg/kg every 12 hours initially, adjust dosage by testing serum levels phenoxybenzamine Dibenzyline; 10mg capsule 0.25mg/kg every 8 to 12 hours phenylbutazone Butazolidin; 100mg, 200mg, 400mg tablets anti-inflammatory 15 to 22mg/kg every 12 hours, maximum dosage 44mg/kg/day may cause liver toxicity, not used frequently phenylpropanolamine Proin; 25mg/ml liquid, 50mg and 75mg tablets urinary incontinence 1.5 to 2mg/kg every 8 to 12 hours phenytoin Dilantin; 30mg and 100mg tablets 1) seizure control 2) antiarrhythmic 1) 20 to 35mg/kg every 8 hours 2) 30mg/kg every 8 hours not used much for seizure control due to high dosage and dosing frequency in dogs piperazine OTCs, solutions usually 170 or 340mg/ml for pets kills roundworms 44 to 66mg/kg repeat dosage at 2 week intervals piroxicam Feldene; 10mg capsules pain relief, cancer therapy 0.3mg/kg every 48 hours potassium bromide only available through compounding pharmacies seizure control 30 to 50mg/kg every 24 hours, loading dose usually used when given alone, monitor serum levels to establish long term dosage potassium gluconate Tumil-K, Renacare; 2mEq tablets, 2mEq/ 1/4th tsp powder and 2mEq/1/2 teaspoon gel potassium supplement 0.5mEq/kg every 12 hours potassium iodide 30 to 100mg/cat per day for 10 days praziquantel Droncit; 23 and 34 mg tablets tapeworms dogs <6.8kg use 7.5mg/kg once; for dogs >6.8kg use 5mg/kg, once prazosin Minipress; 1mg, 2mg 0.5 to 1mg/cat every 8 to 12 hours prednisone, prednisolone generics; 1mg, 2.5mg, 5mg and 20mg tablets, 1mg/ml oral solution 1) antiinflammatory 2) immuno-suppressive doses 1) 0.5 to 1mg/kg, use once daily for 3 to 5 days, then every 48 hrs 2) 2.2 to 6.6 mg/kg/day, taper if possible primidone Mylepsin, Neurosyn; 1, 2.5, 5, 10, 20, 25 and 50mg tablets seizure control 8 to 10mg/kg, adjust dosage by serum monitoring causes liver damage much more frequently than phenobarbital, similar action, so use as last resort only procainamide Pronestyl; 250mg, 375mg, 50mg tablets/capsules 10 to 30mg/kg every 6 hours prochlorperazine Compazine; 5, 10 and 25mg tablets 0.1 to 0.5mg/kg propantheline bromide Pro-Banthine, 7.5 and 15mg tablets 0.25 to 0.5mg/kg every 6 to 8 hours ` propranolol Inderal; 10mg and 20mg tablets 0.4 to 1.0mg/kg every 8 hours pseudo-ephendrine Sudafed; 6mg/ml syrup and 30mg tablets 0.2 to 0.4mg/kg every 12 hours psyllium Metamucil 1 teaspoonful per 10 to 20 lbs of body weight once or twice a day with food pyrantel pomoate Strongid T, Nemex; 50mg/ml suspension, other strengths in generics deworming for roundworms and hookworms 5 to 20mg/kg, repeat in 7 to 14 days higher dosages currently favored pyridostigmine bromide Mestinon; 12mg/ml syrup, 60mg tablet myasthenia gravis 0.5 to 3mg/kg every 8 to 12hrs pyrimethamine Daraprim; 25mg tablet Neospora caninum infection 1 mg/kg every 24 hours for 14 to 21 days ranitidine Zantac; 75mg, 150mg, 300mg tablets megacolon, constipation, GI protection 2mg/kg every 8 hours rifampin Rifadin; 150 and 300mg capsules 10 to 20mg/kg every 24 hours selegiline Anipryl; 2mg, 5mg, 10mg, 15mg, 30mg; generics available in 5mg size 1) canine cognitive dysfunction 2) Cushing's disease (hyper-adrenocorticism) 1) 0.5 to 1mg/kg per day 2) 1mg to 2mg/kg per day currently thought to be effective for Cushing's disease in only 20 to 40% of dogs sotalol Betapace; 80mg tablets 1 to 2mg/kg every 12 hours spironolactone Aldactone 1) low dose for heart failure 2) diuretic dosage 1) 0.5 to 1mg/kg every 12 to 24 hours 2) 2 to 4mg/kg/day stanozolol Winstrol-V; 2mg tablet anabolic steroid 1 to 2mg/dog every 12 hours sucralfate Carafate (Sulcrate); 200mg/ml oral suspension, 1gm tablet ulcers 0.5 to 1gm/dog every 8 to 12 hours. sulfadimethoxine Albon; 125mg, 250mg, 500mg tablets, 50mg/ml suspension coccidia 55mg/kg first dose, then 27.5mg/kg every 12 hours sulfasalazine Azulfidine (Salazopyrin); 500mg tablet inflammatory bowel disease 10 to 30mg/kg every 12 hours sulfisoxazole Gantrisin; 500mg tablet, 500mg/5ml syrup antibiotic 50mg/kg every 8 hours tamoxifen Nolvadex mammary tumors dosage not established but used by some oncologist, follow dosing advice taurine generics 500mg/dog every 12 hours terbutaline Brethine; 2.5 and 5mg tablets 1.25 to 5mg/dog every 8 hours tetracycline Panmycin; 250mg capsules, 100mg/ml suspension antibiotic 15 to 25mg/kg every 8 hours theophylline sustained release TheoDur; 100mg, 200mg, 300mg and 450mg tablets; Slo-bid Gyrocaps; 50mg, 100mg, 200mg capsules 20mg/kg every 12 hours for TheoDur, 30mg/kg every 12 hours for Slo-bid thiabendazole Omnizole; 2gm/30ml suspension strongyloides deworming 50 mg/kg every 24 hours for 3 days thiamine Vitamin B1 10 to 100mg/dog per day tocainide Tonocard; 400mg and 600mg tablets 15 to 20mg/kg every 8 hours toluene Vermiplex; deworming 267mg/kg there are much better and safer dewormers than this triamcinolone Vetalog; 0.5 and 1.5mg tablets; generics 1mg, 2mg, 4mg, 8mg and 16mg tablets corticosteroid 1) insert dosage: 0.11 to 0.22mg/kg/day 2) common usage: 0.5 mg/kg every 48 to 72 hrs triamterene Dyrenium; 50mg, 100mg capsules 1 to 2mg/kg every 12 hours trimeprazine Temaril; 2.5mg/ml syrup, 2.5mg tablet 0.5mg/kg every 12 hours Temaril-P also contains prednisolone trimethoprim-sulfa antibiotic combinations Tribrissen, Ditrim; 30mg, 120mg tablets antibiotic 15mg/kg every 12 hours tripelennamine Pelamine; 25mg, 50mg tablets 1mg/kg every 12 hours tylosin Tylan; 2.2gm/tsp powder antibiotic 7 to 15mg/kg every 12 to 24 hours it is hard to get dogs to take this medication ursodiol Actigall; 300mg capsules encourages bile flow 10 to 15mg/kg/day valproic acid Depakene; Depakote seizure control 25mg to 105mg/kg/day when used with phenobarbital; 60 to 200mg/kg/day as sole agent Vitamin A 625 to 800 units/day Vitamin B1 thiamine 10 to 100mg/day Vitamin B2 riboflavin 10mg to 20mg/dog/day Vitamin B12 cyanocobalamin 100 to 200ug/dog/day Vitamin C ascorbic acid no more than 500mg/dog/day while there are reports of some problems when given above this dosage, many pets have been on higher dosages without problems Vitamin E 100 to 400U/day up to 2000U per day has been advocated for degenerative myelopathy Vitamin K1 Mephyton tablets 5mg, VetaK1 capsules 25mg rodenticide toxicity 2.5 to 5mg/kg/day for 3 to 4 weeks warfarin Coumadin; 1mg, 2mg, 2.5mg, 4mg, 5mg, 7.5mg and 10mg tablets thrombo-embolism 0.1 to 0.2mg/kg/day, adjust dosage based on clotting times This page was last edited 12/14/04 Please do not send anything in attachment form. 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Michael Richards, D.V.M. co-owns a small animal general veterinary practice in rural tidewater Virginia. Dr. Richards graduated from Iowa State University's College of Veterinary Medicine in 1979, and has been in private practice ever since. Dr. Richards has been the director of the PetCare Forum...