Cat health medications
Medications can be used to treat, control, or prevent a variety of health conditions in cats. The right medication depends on the individual cat and their health needs, and some medications require a veterinary prescription.
Find vet-reviewed information about medications used in cats, including parasite-control medications such as sarolaner and selamectin (Revolution® Plus) and selamectin (Revolution®). Have questions about medication for your cat? Talk to an online veterinarian for guidance on what may be appropriate.
FAQ
Different medications can be used to treat, control, or prevent parasites in cats. Selamectin, the active ingredient in Revolution®, is used against parasites including fleas, heartworms, ear mites, roundworms, and hookworms. Sarolaner and selamectin, the active ingredients in Revolution® Plus, provide protection against several internal and external parasites, including fleas and ticks.
Both Revolution® and Revolution® Plus are topical medications applied to the skin at the back of a cat’s neck. The appropriate product and dose depend on factors such as the cat’s age, weight, health, and parasite-control needs. Follow your veterinarian’s instructions and the product label when giving medication to your cat.
If you notice new or unexpected symptoms after your cat starts a medication, contact a veterinarian for guidance. A new symptom doesn’t necessarily mean the medication caused it, and a veterinarian can help determine what steps to take. Signs such as difficulty breathing, severe vomiting or diarrhea, seizures, collapse, or trouble standing require urgent veterinary attention.
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