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Cats + Medications & Supplements

  • Antioxidants are given by mouth and are over the counter supplements used to treat side effects from inflammation. Give as directed by your veterinarian. Side effects are uncommon but may include mild stomach upset. Use antioxidants cautiously in pregnant pets. If a negative reaction occurs, please call your veterinary office.

  • Ascorbic acid (also known as Vitamin C) is an essential vitamin needed to maintain good nutrition and a healthy immune system. Some animals, such as guinea pigs, need ascorbic acid added to their diet as they cannot produce it on their own. It is used to treat scurvy in guinea pigs, as an antioxidant for certain toxins that cause methemoglobinemia in cats and dogs, and as a stool softener in rabbits.

  • Atenolol is used off label and given by mouth to treat certain heart conditions in dogs, cats, and ferrets. Common side effects include tiredness and stomach upset. Contraindications include hypersensitivity to beta-blockers, heart failure, heart block, low heart rate, or certain lung disease. If a negative reaction occurs, please call your veterinary office.

  • Atopivet® topical products are formulated to help maintain a healthy skin barrier and support skin health in cats and dogs. These skin care products are available over-the-counter in the forms of a mousse, spot-on, and skin-care collar.

  • Atovaquone (brand names: Mepron, Malanil, Wellvone) is a drug used to treat infections caused by protozoa (single-celled organisms that cause disease). It is often combined with other drugs to treat specific infections.

  • Atropine ophthalmic (brand name Isopto Atropine) is an eye medication used to dilate (enlarge) the pupil. It is used off label (extra label) only, in all veterinary species of animals. Atropine ophthalmic comes in a 1% drop, solution, or ointment form, which is placed directly into the eye.

  • Attapulgite (brand name Toxisorb™ Bolus) is an anti-diarrhea clay supplement used in pets like dogs, cats, horses, and cattle. It works by binding bacteria and toxins to help restore a healthy intestinal system.

  • Auranofin is a gold salt that is given orally to treat certain skin conditions and immune-mediated conditions in cats and dogs. It is used off label (extra label) in veterinary medicine. Auranofin comes in capsules to be given orally.

  • Avenanthramides with ceramides and chlorhexidine (brand name CeraSoothe CHX®) is an antiseptic, antifungal, and skin nourishing agent used in the treatment of surface skin infections and skin reactions in cats and dogs. It may be used “off label” or “extra label” in other animals and to treat other conditions. Avenanthramides with ceramides and chlorhexidine comes in mousse and shampoo forms.

  • Azathioprine is an immune suppressing medication given by mouth or as an injection and is mainly used off label to treat immune-mediated diseases in dogs. Common side effects include gastrointestinal upset and bone marrow suppression. This medication should not be used in pets that are allergic to azathioprine or are pregnant. It should be used with caution in pets with liver or kidney disease. If a negative reaction occurs, please call your veterinary office.