Contact your health care provider if you have hives or angioedema. After hearing your symptoms, he or she may want to see you for an office visit.
If you are having any of these symptoms along with hives or angioedema, you may be having an anaphylactic reaction. Go immediately to a hospital emergency department.
Severe reactions: Do not attempt to treat severe reactions or to wait it out at home. Go immediately to the nearest emergency department or call an ambulance. Here are some things you can do while waiting for the ambulance:
Avoid exposure to any food, medicine, or physical agent that has been identified to cause your hives or angioedema.
Reducing emotional and physical stress may help. In rare cases, you may need to take antihistamines or other medicines for an extended time to prevent further hives or swelling.
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