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Dogs + Medications & Supplements

  • Clonazepam is given by mouth and is used off label to treat seizures and certain behavioral disorders in dogs and cats. Common side effects include sleepiness, incoordination, drooling, excitement, or increased appetite.

  • Clonidine is a medication that is used off label to treat behavioral disorders in dogs, particularly anxiety- or phobia-related. It is often used as supplemental therapy in pets that do not respond to conventional therapies.

  • Clopidogrel is used off label to prevent abnormal blood clots in dogs, cats, and horses. In cats, this medication may also improve circulation in the lower limbs when used after a blood clot event. It is given by mouth in the form of a tablet or compounded liquid.

  • Clorazepate dipotassium is given by mouth and is used off label to treat epilepsy and various behavior disorders. Give as directed by your veterinarian. Clorazepate dipotassium should not be used in pets that are allergic to it or other benzodiazepines or in pets with significant liver disease.

  • Clotrimazole otic is a topical antifungal medication used in the treatment of otitis externa (inflammation of the external ear) associated with susceptible strains of yeast and other fungal organisms in cats, dogs, and rabbits. It may be part of combination product containing antimicrobials and/or steroids.

  • Clotrimazole topical is an antifungal medication used in the treatment of surface skin infections caused by fungal organisms in cats, dogs, rabbits, birds, reptiles, and other animals. Clotrimazole topical comes in in liquid drop, ointment, and spray forms.

  • Cloxacillin is given by mouth and is used off label to treat certain bacterial infections, most commonly staphylococcal infections. Common side effects include gastrointestinal upset such as vomiting and diarrhea. Do not use in pets that have an allergy to penicillins or cephalosporins.

  • Coal tar and coal tar combinations topical (Imrex® shampoo, Sulfodene® shampoo, Nova Pearls® shampoo, Pharmasal-T®s shampoo) are used to treat various skin conditions in dogs, including oily skin conditions like seborrhea oleosa as well as flea bite dermatitis, eczema, and psoriasis. They decrease inflammation, reduce itchiness and control the levels of grease on the skin.

  • Codeine is given by mouth or injection and is used off label in cats and dogs to treat mild to moderate pain, cough, and occasionally diarrhea. Give as directed by your veterinarian. Common side effects include sleepiness and constipation.

  • Coenzyme Q10 (CoQ10, ubiquinol, ubiquinone) is used as a supplemental therapy for heart and neurological conditions in cats and dogs. It also functions as an antioxidant and may be added to the treatment for gum disease, inflammatory conditions, and some cancers.