Food Allergies: Signs and Symptoms

by Dr. David Williams
Filed Under: Food Allergies/Intolerances, Digestive Health
Last Reviewed 02/06/2014

Find out about the common symptoms of food allergies and food intolerances

The signs and symptoms of both food allergies and food intolerances can be similar, while they often vary according to the person and the severity of the allergy or level of intolerance. Common digestive symptoms associated with both food allergies and food intolerances include:

In addition to these common digestive symptoms, those suffering from food allergies can experience:

  • Hives
  • Itching or eczema
  • Wheezing, nasal congestion, or trouble breathing
  • Swelling of the tongue, throat, lips, face, or other parts of the body
  • Dizziness, lightheadedness, or fainting

Those with severe food allergies can experience anaphylaxis, which is a serious allergic reaction with widespread effects on the body, including:

  • Constriction of airways
  • Swollen throat that makes it difficult to breathe
  • Rapid pulse
  • Dizziness and lightheadedness
  • Shock, with a severe drop in blood pressure
  • Loss of consciousness
  • Death

More Dr. Williams Advice on Food Allergies and Intolerances

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