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An allergic reaction is an excessive response from your immune system to a medicine, chemical, food, insect bite, or other substance. A reaction can range from mild to life-threatening. Some people have a mild rash, hives, and itching or stomach cramps. In severe reactions, swelling of your tongue and throat can close up your airway so that you cannot breathe.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse advice line (811 in most provinces and territories) if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
Give an epinephrine shot if:
After giving an epinephrine shot, call 911 even if you feel better.
Call 911 if:
Call your doctor or nurse advice line now or seek immediate medical care if:
Watch closely for changes in your health, and be sure to contact your doctor or nurse advice line if:
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Current as of: February 27, 2023
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & E. Gregory Thompson MD - Internal Medicine & Martin J. Gabica MD - Family Medicine
Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.
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