Allergen Capsules for Cats

Most cats can be effectively treated for their allergies, according to PetEducation.com. Capsules containing dietary supplements and/or medication are sometimes used to ease a cat's symptoms.

  1. Fatty Acids

    • Omega-3 fatty acids, found in fish oil, can reduce the effects of histamine on your cat, according to PetEducation.com. Fish oil capsules may ease your cat's allergies when administered over a few weeks.

    Biotin

    • Biotin may ease your cat's dry skin and itchiness. PetEducation.com notes this B vitamin can be found in capsules or as part of a brewer's yeast supplement.

    Antihistamines

    • Antihistamines such as Benadryl and Chlor-Trimeton have a 70 percent effectiveness rate in easing a cat's allergy symptoms, according to PetEducation.com. These capsules should be administered with a veterinarian's guidance, as each comes with a risk of side effects.

    Costicosteroids

    • Costicosteroids are sometimes used as a last line of defense in the battle against a cat's allergies. These powerful drugs are highly effective, but come with a high risk of side effects, such as diarrhea and hyperactivity.

    Alternatives

    • If your cat resists taking capsules, topical allergy treatments are also available.