You may have some or all of these symptoms:
- Hives -- itchy, bumpy, irregular patches on the skin
- Itchy skin
- Swollen face, lips, or tongue
Most drug allergy symptoms start right after you take the drug, but some may take hours, days or weeks to appear.
When Symptoms Are Severe
Anaphylaxis is an emergency and is life-threatening. Symptoms include:
- Trouble breathing or throat feels like it's closing
- Dizziness or fainting
- Hives covering much of the body
- Irregular heartbeat
- Shock or unconsciousness
If you have any of these symptoms, call 911. Use an epinephrine shot if you have one, and take antihistamines to help slow down the reaction. Do not hesitate to use the epinephrine auto-injector. Using it as a precaution will not harm you and could save your life. Even if the reaction goes away, you still need to go to the hospital.
Mild Drug Allergy: What You Should Do
Depending on your situation, your doctor may suggest that you: