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What Causes Itching of the Ears in Allergies?

Itchy ears is a common side effect caused by allergens entering your body and triggering an allergic reaction. The unpleasant itchiness often comes with other symptoms such as sneezing and ear congestion, according to Frank K. Kwong, author of "The Complete Allergy Book."

  1. How it Happens

    • When an allergen enters the body, your mast cells release histamines. While your body is fighting the allergen, it can cause inflammation in the lining of your ear, which produces an itching sensation.

    Time Frame

    • You are susceptible to itchy ears during allergy seasons when pollen, mold and ragweed count is high.

    Treatment

    • Over-the-counter treatment for itchy ears includes antihistamines and decongestants. Antihistamines coat your histamine receptor sites, which prevents histamines from attaching and causing an allergic reaction. Decongestants constrict blood vessels, which reduces swelling in the inflamed tissue.

    Prevention

    • Avoid going outdoors after it has rained, as mold count will be very high, according to the Mayo Clinic. Use an air purifier to reduce allergens in your home. Do not open windows on windy days; allergens can blow into your home.

    Side Effects

    • Antihistamine and decongestants can cause mild to severe side effects, depending on the person. Common side effects of antihistamines include drowsiness, loss of appetite, constipation or diarrhea. Side effects of decongestants include sleep disturbances, nervousness and dizziness.

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