About aspirin
Antiplatelet; nonsteroidal anti-inflammatory drug
Used for
- Prevention of heart attack and ischaemic stroke in people at increased risk
- Prevention of blood clots after some heart or blood-vessel procedures
Usual adult dose
Usually 75–100 mg once daily for antiplatelet use; other uses require different doses.
Common side effects
- Indigestion, nausea, or stomach pain
- Easy bruising or bleeding
- Stomach ulcer or gastrointestinal bleeding
- Allergic reactions, including wheezing
Important warnings
- Can cause serious bleeding, especially with ulcers or blood-thinning medicines.
- Avoid in people allergic to aspirin or with aspirin-triggered asthma.
- Not for children or teenagers with viral illnesses because of Reye syndrome risk.
- Enteric coating does not prevent stomach bleeding.
Pregnancy
Low-dose aspirin may be prescribed for specific reasons during pregnancy; higher doses can harm the fetus, particularly later in pregnancy.
Breastfeeding
Low-dose use may be compatible when medically indicated; higher or prolonged doses may affect the infant.
Interactions
- Anticoagulants and other antiplatelet medicines increase bleeding risk.
- Ibuprofen and other NSAIDs can increase bleeding and may reduce aspirin’s heart-protective effect.
- Methotrexate toxicity may increase.
- Some antidepressants, including SSRIs, increase bleeding risk.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.