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Medications for Cat Dander Allergies

Cat allergies are not uncommon. Cat dander, which is basically a combination of the cat's skin and dried saliva from cleaning itself, is a typical cat allergy. Before resorting to medication, cat owners should know that non-neutered male cats produce a much more allergenic dander than females and neutered males. Many people also find relief by keeping cats out of the bedroom, vacuuming or sweeping often and using cat cleaning wipes.

  1. Leukotriene Modifiers

    • Leukotriene modifiers require a doctor's prescription. They come in tablet form, like the allergy drug Singulair, which is a leukotriene modifier. The drug blocks the action of certain chemicals in the immune system to prevent an allergic reaction to cat dander. Possible side effects of leukotriene modifiers include headache and, less commonly, abdominal pain, dizziness, dental pain and cough.

    Immunotherapy or Allergy Shots

    • Immunotherapy, commonly referred to as "allergy shots," is a method of desensitizing the immune system to a specific allergy, such as cat dander. A patient receives one or two weekly shots that deliver small doses of the allergen into the body to train the immune system to not react negatively. For those allergic to cat dander, a small dose of animal protein would be administered by shot. The dose gradually increases over a three- to six-month time period. Monthly shots for several years may be needed to maintain the effect. Immunotherapy is typically used when other medications do not work.

    Antihistamines

    • Antihistamines are some of the most common allergy medications for those allergic to cat dander. They suppress a chemical in the immune system that is active during an allergic reaction. Common over-the-counter antihistamines include Claritin, Zyrtec and Benadryl. Prescription antihistamines include such brands as Allegra (fexofenadine), Clarinex (desloratadine) and Astelin (azelastine), which is a nasal spray. Antihistamine medications are available for children as well as adults. The drug treats itchy and runny noses and sneezing.

    Corticosteroids

    • Over-the-counter corticosteroid nasal sprays include such brands as Nasonex and Flonase. The drug reduces the inflammation in the nasal passages that occurs during an allergic reaction. It reduces itching and stuffiness associated with cat dander allergies. Nasal sprays deliver a low-risk dose of corticosteroids, making it safer than an oral corticosteroid.

    Decongestant

    • Decongestants are ideal for people who only experience nasal congestion during an allergic reaction to cat dander. Decongestants shrink swollen nasal tissue, making it easier for an allergy sufferer to breathe. The drug can be risky for people with high blood pressure or heart disease, because decongestants can increase blood pressure. They can also worsen an enlarged prostate in a man. Some over-the-counter allergy medications combine antihistamines and decongestants to provide more complete allergy protection. People purchasing medication should read the boxes carefully to make sure they select one that is safe and appropriate for them.

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