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Pet Health Library

Dogs + Medications & Supplements

  • Ceramides are naturally occurring lipid (fat) molecules that make up a large portion of the outer skin layer. Ceramide skin care products are available as over-the-counter veterinary products in various topical forms. They are used to help manage skin conditions in dogs, cats, and other animals. Your veterinarian is the best source of information about the safety of non-drug health products in pets.

  • Cetirizine is given by mouth and is used off-label to treat and prevent pruritus (itching) associated with atopic dermatitis, urticaria (hives), and insect bite reactions in cats and dogs. Give as directed. Side effects are uncommon but may include vomiting and increased salivation. Do not use it in pets that are allergic to it or hydroxyzine. If a negative reaction occurs, contact your veterinarian.

  • Cetyl myristoleate is a supplement given by mouth and is used over the counter to treat osteoarthritis, most commonly in dogs. Give as directed by your veterinarian. Side effects are uncommon but may include gastrointestinal upset. Use cautiously in debilitated, pregnant, or lactating pets. If a negative reaction occurs, please call your veterinary office.

  • Chamomile is given by mouth or applied topically and is used off-label and over the counter to treat inflammatory skin conditions, gastrointestinal upset, and anxiety. Give as directed by your veterinarian. Side effects are uncommon if used at the proper dose, but may include vomiting, diarrhea, or skin irritation. Do not use in pets that are allergic to it or other plants in the daisy family. If a negative reaction occurs, please call your veterinary office.

  • Chemotherapy drugs are used to treat cancer and other conditions in people because they target and kill rapidly dividing neoplastic (cancer) cells and other cells. They are primarily used as anti-cancer agents but may also provide benefits for a variety of auto-immune disorders and organ transplant recipients as immunosuppressive agents.

  • Chlorambucil is given by mouth and is used off label to treat certain types of cancer and autoimmune diseases. Common side effects include fur loss and changes in hair coat, as well as gastrointestinal upset. Do not use in pets that are allergic to it or other alkylating medications, that have bone marrow disease, have an active infection, or that are pregnant or lactating. If a negative reaction occurs, please call your veterinary office.

  • Chloramphenicol is given by mouth or injection and is used on and off-label to treat bacterial infections. Give as directed. Common side effects include vomiting, diarrhea, and decreased appetite. Do not use in pets with blood disorders, in pediatric or geriatric animals, or in pregnant or nursing females. If a negative reaction occurs, please call your veterinarian.

  • Chlorhexidine + ketoconazole topical is used to treat superficial skin infections or overgrowth in dogs and cats. When given as directed, side effects are rarely noted, but could include skin irritation. If you suspect an overdose or accidental ingestion, call your veterinary office immediately.

  • Chlorhexidine topical (brand names Chlorhex®, Novalsan®, ChlorhexiDerm®) is an antiseptic used to treat skin infections. It is used to treat surface bacterial and/or fungal skin infections in cats and dogs. This medication may be part of a combination product that includes other medications. Chlorhexidine topical comes in shampoo, liquid, ointment, and wipe form.

  • Chlorhexidine/hydrocortisone/trizEDTA topical (TrizCHLOR® 4HC) is a shampoo and spray conditioner used topically in cats, dogs, and horses to support animals with conditions such as superficial, itchy, bacterial and fungal skin infections (pyoderma); acute moist dermatitis (hotspots); and pododermatitis (skin infections of the foot).