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A member asked:
What are some causes of a unilateral swollen lip without a history of trauma or bug bite?
A doctor has provided 1 answer
Angioedema: Angioedema is an allergic reaction to something internal or external. Its related to hives and generally clears after 24 hours. Do you notice a relationship to any foods, medications,temperature exposure,physical exercise? Antihistamines or atarax (hydroxyzine) help treat or prevent this reaction. An allergist is best qualified to evaluate and treat you.
Answered 4/16/2016
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