Aspirin side effects
Get emergency medical help if you have any of these signs of an allergic reaction to aspirin: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using this medicine and call your doctor at once if you have:
- ringing in your ears, confusion, hallucinations, rapid breathing, seizure (convulsions);
- severe nausea, vomiting, or stomach pain;
- bloody or tarry stools, coughing up blood or vomit that looks like coffee grounds;
- fever lasting longer than 3 days; or
- swelling, or pain lasting longer than 10 days.
Common aspirin side effects may include:
- upset stomach, heartburn;
- drowsiness; or
- mild headache.