Can aspirin cause stomach irritation?
Yes. Aspirin can irritate the stomach and raise the risk of stomach pain, burning, nausea, and indigestion. This happens because aspirin reduces protective stomach chemicals (prostaglandins) that normally help shield the stomach lining from acid.
What does aspirin irritation feel like?
People may notice:
- Burning or pain in the upper abdomen (heartburn or dyspepsia)
- Nausea or indigestion
- Sometimes vomiting
Is stomach irritation more likely with certain types or doses of aspirin?
Irritation risk tends to be higher with:
- Higher doses (or taking aspirin more often)
- Taking aspirin on an empty stomach
- Regular use
- Immediate-release formulations (vs enteric-coated)
Enteric-coated aspirin may reduce some direct contact with the stomach, but it does not eliminate the risk for everyone.
When should someone stop and get medical help?
Get urgent medical care if aspirin-related stomach symptoms include any of the following:
- Black, tarry stools or blood in vomit (possible bleeding)
- Severe or worsening stomach pain
- Dizziness, fainting, or weakness
- Trouble swallowing or allergic-type symptoms
Are there ways to reduce stomach irritation from aspirin?
Common approaches include:
- Taking it with food (unless your clinician told you otherwise)
- Avoiding other stomach-irritating medicines at the same time when possible (especially other NSAIDs)
- Asking a clinician whether enteric-coated aspirin is appropriate
If you take aspirin for heart protection, don’t change or stop it without medical advice.
Could it be something else?
Stomach irritation symptoms can overlap with gastritis, acid reflux, ulcers, or food-related upset. If symptoms persist or recur, it’s worth discussing with a clinician to confirm the cause and assess bleeding or ulcer risk.
Sources cited: none.