Why avoid aspirin?
A common reason people are told to avoid aspirin is because it can increase bleeding risk. Aspirin also can worsen asthma symptoms in some people (often called aspirin-exacerbated respiratory disease), and it can be unsafe for people with certain stomach or bleeding disorders.
What should you use instead of aspirin?
The safer alternative depends on why you were avoiding aspirin:
- For pain or fever, many people use acetaminophen (paracetamol) instead.
- For fever in children, avoid aspirin because of the risk of Reye’s syndrome; pediatric clinicians usually recommend acetaminophen.
- For preventing blood clots or treating cardiovascular conditions, don’t switch without clinician guidance—other antiplatelet/anticoagulant options may be used, depending on the case.
What situations require extra caution with aspirin?
You’re more likely to be told to avoid aspirin if any of these apply:
- A history of stomach ulcers or gastrointestinal bleeding
- Bleeding disorders or low platelet counts
- Upcoming surgery or a procedure (timing matters)
- Aspirin/NSAID allergy or aspirin-triggered asthma symptoms
- Use of other blood thinners (the combination can raise bleeding risk)
When to get urgent help
Seek urgent care if you have signs of internal bleeding (for example, vomiting blood, black/tarry stools, severe weakness/dizziness) or any allergic reaction symptoms (swelling of face/lips, trouble breathing).
Quick check to tailor the answer
Can you tell me why you need to avoid aspirin (pain/fever, blood thinner replacement, ulcer/bleeding history, asthma, surgery, or something else)? Also share your age and any other medicines you take (especially ibuprofen, naproxen, clopidogrel, warfarin, apixaban, rivaroxaban, or heparin).