Library

Dogs + Medications

  • 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. If a negative reaction occurs, please call your veterinary office.

  • Codeine is given by mouth or injection and is used off label to treat mild to moderate pain, cough, and occasionally diarrhea. Give as directed by your veterinarian. Common side effects include sleepiness and constipation. Do not use in pets that are allergic to it or other opioids, in pets with inflammatory bowel disease, or in pets that have ingested a toxic substance. If a negative reaction occurs, please call your veterinary office.

  • Colchicine is given by mouth and is used off label to primarily treat amyloidosis and Shar-Pei fever. Give as directed by your veterinarian. Side effects are not well documented and may include nausea, vomiting, diarrhea, lack of appetite, skin rash, incoordination, severe tiredness, weakness, infections, bleeding, or bruising. Do not use in pets that are allergic to it or in pets with severe kidney, gastrointestinal, or heart disease. If a negative reaction occurs, please call your veterinary office.

  • 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.

  • Cyclophosphamide is given by mouth or injection and is used off label to treat various cancers such as lymphoma, leukemia, carcinoma, and sarcoma. Common side effects include hair loss and hair coat changes. Do not use in pets that are allergic to it or that cannot be sufficiently monitored during treatment, are pregnant or lactating, have urinary obstruction, infection, bone marrow dysfunction, or have had an episode of blood in the urine that is not associated with a bladder infection. If a negative reaction occurs, please call your veterinary office.

  • Cyclosporine ophthalmic ointment is an immunosuppressant used in the treatment of eye diseases suspected to be immune-related, including keratoconjunctivitis sicca (KCS) in dogs, and other inflammatory conditions of the eye. Cyclosporine comes as an ophthalmic ointment but may sometimes be compounded into a higher concentration ophthalmic solution for pets not responding to the ointment. It is important to remember that it may take days to weeks to notice improvement. Do not stop giving the medication without asking your veterinarian. If signs of serious side effects or immune suppression occur, contact your veterinarian immediately. An overdose of eye medication is unlikely, but side effects or toxic effects could occur if your pet eats the medication. If you suspect an overdose or an adverse reaction to the medication, call your veterinary office immediately.

  • Cyclosporine is a medication that targets the immune system and is used to treat atopic (allergic) dermatitis in dogs and cats. Cyclosporine is given by mouth, in the form of a capsule for dogs and a liquid suspension for cats. The most common side effects of cyclosporine are gastrointestinal side effects, such as vomiting, diarrhea, and decreased appetite (anorexia). Cyclosporine should be used with caution in dogs and cats with kidney disease and/or diabetes. If you suspect an overdose or negative reaction to the medication, call your veterinary office immediately.

  • Cyproheptadine is given by mouth and is used off label to treat allergic skin conditions, certain toxicities, and to stimulate appetite. Give as directed by your veterinarian. Common side effects include sleepiness, increased appetite, and dry mouth. Do not use in pets that are allergic to it or pets undergoing skin allergy testing within the next two weeks. If a negative reaction occurs, please call your veterinary office.

  • Cytarabine is a chemotherapy medication commonly used off label to treat blood cancers and brain inflammation. It is an injectable solution usually given in the vein by a veterinary professional. Common side effects include gastrointestinal upset and low blood cell counts. This medication should not be used or used with caution in pets with liver or kidney disease, or those that have an allergy to this medication, or pregnant /lactating pets. If a negative reaction occurs, call your veterinary office.

  • Decoquinate is given by mouth and is used off label in dogs to prevent coccidia infections. Side effects are uncommon. Do not use in animals that are allergic to it or to treat coccidia infections (only use as a preventive). If a negative reaction occurs, please call your veterinary office.