About acetyl saliclic acid
Nonsteroidal anti-inflammatory drug (salicylate)
Used for
- Relieves mild to moderate pain and fever
- Reduces inflammation
Usual adult dose
For pain or fever, typically 300–600 mg every 4–6 hours as needed; follow package directions.
Usual dose in children
Not recommended for children under 16 unless prescribed, due to Reye’s syndrome risk.
Common side effects
- Stomach upset or heartburn
- Nausea
- Increased bleeding or bruising
- Stomach ulcer or bleeding
Important warnings
- Avoid with active ulcers, bleeding disorders, or aspirin allergy.
- Seek urgent care for signs of stomach bleeding or severe allergic reaction.
- Do not use for children or teenagers with viral illness unless prescribed.
- May worsen asthma in some people.
Pregnancy
Avoid from 20 weeks unless specifically advised; avoid after 30 weeks because of fetal risks.
Breastfeeding
Occasional use may be acceptable, but regular or high-dose use is generally avoided; ask a clinician.
Interactions
- Blood thinners and antiplatelet medicines increase bleeding risk.
- Other NSAIDs increase stomach and bleeding risks.
- Methotrexate toxicity risk may increase.
- Alcohol increases stomach irritation and 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 It may be incomplete or out of date.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.