Skip to content

    Allergies Health Center

    Font Size
    A
    A
    A

    Allergy Symptoms

    Allergy symptoms can be categorized as mild, moderate, or severe.

    Mild Allergy Symptoms

    Mild allergy symptoms can include:

    Mild allergic reactions do not spread to other parts of the body.

    Moderate Allergy Symptoms

    Moderate allergic reactions can include symptoms that spread to other parts of the body, including:

    • Widespread itching
    • Difficulty breathing

    Severe Allergy Symptoms (Anaphylaxis)

    Anaphylaxis is a rare, life-threatening emergency in which the body's response to the allergen is sudden and affects the whole body. Allergy symptoms may within minutes progress to more serious symptoms, including:

     

    WebMD Medical Reference

    Reviewed by Luqman Seidu, MD on May 19, 2014

    Today on WebMD

    man blowing nose
    Make these tweaks to your diet, home, and lifestyle.
    Allergy capsule
    Breathe easier with these products.
     
    cat on couch
    Live in harmony with your cat or dog.
    Woman sneezing with tissue in meadow
    Which ones affect you?
     

    blowing nose
    Article
    woman with sore throat
    Article
     
    lone star tick
    Slideshow
    Woman blowing nose
    Slideshow
     

    Send yourself a link to download the app.

    Loading ...

    Please wait...

    This feature is temporarily unavailable. Please try again later.

    Thanks!

    Now check your email account on your mobile phone to download your new app.

    cat lying on shelf
    Article
    Allergy prick test
    VIDEO
     
    Man sneezing into tissue
    Assessment
    Woman holding feather duster up to face, twitching
    Quiz