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Food Allergies - When To Call a Doctor

Call911or other emergency services immediately if you have had a severe reaction in the past from the same food and similar symptoms are developing. If you have epinephrine prescribed by your doctor for severe allergic reactions, give yourself the epinephrine shot before you call for help. If possible, have someone else call while you give yourself the shot.

Because symptoms can come back even after the injection, go to the emergency room every time you have a reaction, even if you are feeling better. You should be observed for several hours after the reaction.

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Call911or other emergency services immediately if you have any of the following symptoms:

  • Rapid swelling of the throat or tongue
  • Trouble breathing, wheezing, or deep cough; a pale face or blue lips or earlobes
  • Feeling faint
  • Signs of shock, including:
    • Lightheadedness or a feeling that you are about to pass out
    • Restlessness, confusion, or a sense of impending doom
    • Moist, cool skin, or possibly profuse sweating
    • Weakness, thirst, nausea, or vomiting

If you witness a severe allergic reaction and the person becomes unconscious, call911or other emergency services immediately.

If your food allergy symptoms are getting worse, call your doctor. It is important to know which foods are to blame so that you can avoid them.

Watchful waiting

If your food allergy symptoms do not get worse or are not too severe or bothersome, you can try eliminating suspect foods from your diet to see whether symptoms disappear.

Who to see

The following health professionals may evaluate and treat mild food allergies:

An allergy specialist may be needed when:

  • You need to identify the foods that trigger allergic reactions.
  • Your work or school performance or quality of life is affected because of allergy symptoms or medicine side effects.
  • You have other medical conditions, such as recurrent asthma.

You may also be referred to other specialists, such as a:

A registered dietitian can help you keep a balanced diet even when you can't eat some foods. A dietitian can also help you learn how to avoid hidden allergens in foods and give you ideas about how to make substitutions in recipes.

To prepare for your appointment, see the topic Making the Most of Your Appointment.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Medical Reference from Healthwise

    Last Updated: March 12, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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