- Ginkgo
- Flax Seed Oil
- Ursodiol
- Tylosin
- Trimeprazine With Prednisolone
- Triamcinolone Acetonide
- Tetracycline
- Taurine
- Sulfasalazine
- Sulfamethoxazole / Trimethoprim
- Sucralfate
- Stanozolol
- Selegiline
- Selamectin
- Rifampin
- Ranitidine
- Pyridostigmine Bromide
- Pyrantel Pamoate
- Propranolol
- Propantheline Bromide
- Procainamide
- Prednisolone
- Praziquantel
- Potassium Chloride
- Bromides – Potassium Bromide
- Piroxicam
- Pimobendan
- Phytonadione (Vitamin K1)
- Phenylpropanolamine
- Phenylbutazone
- Phenoxybenzamine
- Phenobarbital
- Pentoxifylline
- Penicillins (General)
- Paroxetine
- Oxazepam
- Orbifloxacin
- Ondansetron
- Omeprazole
- Nystatin
- Nitenpyram
- Neomycin Sulfate
- Naproxen
- Mitotane
- Misoprostol
- Milbemycin Oxime
- Metronidazole
- Metoclopramide
- Methylprednisolone
- Methocarbamol
- Methimazole
- Meloxicam
- Megestrol Acetate
- Medroxy Progesterone Acetate
- Marbofloxacin
- L-Lysine
- Lufenuron
- Loperamide
- Lincomycin
- Levothyroxine
- L-Carnitine
- Lactulose
- Ketoprofen
- Ketoconazole
- Kaolin-Pectin
- Ivermectin
- Itraconazole
- Interferon Alfa-2a, Human Recombinant
- Insulin
- Imipramine
- Imidacloprid
- Hydroxyzine
- Hydralazine
- Griseofulvin
- Glipizide
- Furosemide
- Fluoxetine
- Flunixin Meglumine
- Fludrocortisone Acetate
- Fluconazole
- Fipronil
- Fenbendazole
- Famotidine
- Ephedrine
- Enrofloxacin
- Enalapril
- Doxycycline
- Diphenhydramine
- Dimenhydrinate
- DILTIAZEM Hcl
- Digoxin
- Difloxacin
- Diethylstilbestrol
- Diethylcarbamazine Citrate
- Diazepam
- Dextromethorphan
- Dexamethasone
- Cyproheptadine
- Cyclosporin
- Cyclophosphamide
- (Edit)
- Colchicine
- Codeine
- Cloxacillin
- Clorazepate
- Clomipramine
- Clindamycin
- Cisapride
- Ciprofloxacin/Enrofloxacin
- Cimetidine
- Chlorpheniramine Maleate
- Chlorothiazide – Hydrochlorothiazide
- Chlorambucil
- Carprofen
- Captopril
- Buspirone
- Bismuth Compounds
- Bethanechol Chloride
- Benazepril Hydrochloride
- Azathioprine
- Atenolol
- Aspirin
- Antacids, Oral
- Ampicillin
- Amoxicillin/Clavulanic Acid Or Clavulanate Potassium
- Amoxicillin
- Ammonium Chloride
- Amlodipine Besylate
- Amitriptyline
- Aminophyllin/Theophyllin
- Aminocaproic Acid
- Allopurinol
- Acetazolamide
- Acetaminophen
- Acepromazine
