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Medications & Supplements + English

  • 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 Q-10 is an over the counter supplement given by mouth and is used off label to treat heart, nerve, or inflammatory conditions in dogs and cats. Give as directed by your veterinarian. Side effects are uncommon and have not been documented. Use cautiously in pregnant or nursing pets. If a negative reaction occurs, please call your veterinary office.

  • Colchicine is given by mouth and is used off label in dogs and birds, primarily to treat amyloidosis and Shar-Pei fever. Its use in veterinary medicine is largely experimental and its effectiveness has not been well documented. Give as directed by your veterinarian.

  • Colloidal oatmeal topical (brand name DermAllay®, Epi-Soothe, others) is an anti-inflammatory, antipruritic (anti-itching), and emollient (softening, soothing) agent used in the treatment of surface skin disorders and skin reactions in cats and dogs. It is made from oat grains (Avena sativa). Colloidal oatmeal topical comes in spray, cream rinse, and shampoo forms.

  • Colloidal silver (VetraSeb™ Silver) is a solution (mixture) of nanoparticles of silver. It is used by some as a possible natural alternative to antibiotics for fighting infections, including bacterial, fungal, and viral infections in dogs, cats, and horses.

  • Colostrum is given by mouth and is used over the counter to treat various immune-mediated and inflammatory conditions. Give as directed by your veterinarian. Side effects are uncommon and may include gastrointestinal upset in pets with a dairy allergy. There are no known contraindications. If a negative reaction occurs, please call your veterinary office.

  • Crofelemer CA1, also known as Crofelemer (brand name Canlevia®-CA1), is an antidiarrheal drug used to treat diarrhea caused by chemotherapy in dogs. Crofelemer CA1 comes in delayed release tablet form.

  • Cyanocobalamin (vitamin B12 or cobalamin) is a vitamin supplement used to treat systemic deficiencies. It can be given through a subcutaneous injection or oral tablet. The injection may sting temporarily, but otherwise is very safe. If a negative reaction occurs, call your veterinary office.

  • Cyclopentolate ophthalmic is an eye drop used in veterinary medicine during eye examinations to dilate the pupil and allow for proper examination of the interior part of the eye. It is used in all species of animals. Cyclopentolate ophthalmic comes in a liquid drop format to be instilled directly to the eye (topically).