HomeDiseases & ConditionsAllergyCommon Allergy Symptoms That You Should Know About

Common Allergy Symptoms That You Should Know About

An allergy occurs when your body’s immune system overreacts to something that is harmless to most people by releasing a chemical called histamine to counteract it.

When histamine gets released into the body, it can cause a variety of symptoms. The symptoms will vary depending on the type of allergen. If the allergen is something you breathe in from the air, such as dust mites or pollen, the reaction will most likely affect around your eyes, nose and lungs. If it is something you eat like foods or drugs, it may affect your mouth, stomach and intestines.

What are the Symptoms of Allergies?

Allergy symptoms can range from mild to severe reactions. The most severe type of allergic reaction is called anaphylaxis, which can be life threatening and requires immediate medical attention.

Symptoms of mild to moderate allergic reactions may include:

  • Rash
  • Itching
  • Sneezing
  • Watery eyes
  • Runny nose
  • Nasal congestion
  • Swelling of lips, tongue or throat
  • Stomach pain

Symptoms of anaphylaxis may include those of a mild to moderate allergic reaction as well as:

  • Difficulty breathing
  • Wheeze or persistent cough
  • Chest tightness
  • Nausea and vomiting
  • Diarrhea
  • Mental confusion or dizziness

See your doctor if you think you or your child might have had an allergic reaction to something. They can help determine whether the symptoms are caused by an allergy or the other conditions.

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