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Diseases & Conditions
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Allergies are abnormal immune system reactions to things that are typically harmless to people. When a person is allergic to something, their immune system believes that the substance is harmful to the body.
Symptoms may include:
- sneezing
- coughing
- irritated eyes and nose
- hives
- runny nose
- itchiness
- red blotches
- difficulty breathing
Causes may include:
- certain food
- dust
- pollen
- medicines
Treatment may include:
- medication
- avoiding the irritant
- managing symptoms
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