Frontline Reactions in Cats

Frontline is a type of topical pet medication used to treat ticks and fleas. The active ingredient is fipronil. According to petplace.com, cats rarely have serious reactions to Frontline. Still, if you suspect any sort of reaction, call your veterinarian.

  1. Allergic Reaction

    • Do not use Frontline if your cat is allergic to fipronil. Also, rare allergic reactions can occur in cats as a result of Frontline usage. Call your veterinarian if your cat exhibits symptoms such as vomiting, coughing, rashes, swelling and fatigue.

    Drug Interactions

    • Other flea and tick medications can interact with Frontline, as well as other types of feline drugs. Do not use Frontline unless recommended by your veterinarian.

    Overdose

    • According to petplace.com, reactions as a result of an overdose are rare in cats. However, it is best to consult with your veterinarian if you accidentally administer too much Frontline to your cat.

    Skin Reactions

    • When you apply Frontline to your cat, his skin may have an oily appearance for up to 24 hours, according to petplace.com. Also, the dosing site may appear irritated. However, if this irritation persists and turns into a rash, call your veterinarian.

    Precautions

    • Do not administer Frontline to your cat if she is pregnant or may become pregnant, as fipronil can harm any fetuses. Also, you should not use Frontline until your cat is at least eight weeks old, according to petplace.com.