It is a non steroidal anti-inflammatory drug (NSAID), used as an antithrombotic in low doses.

Indications: prophylaxis of stroke or myocardial infarction.

Cautions: asthma; uncontrolled hypertension; pregnancy; peptic ulcer; hepatic and renal impairment. Contra-indications: children and adolescent under 16 years (Reye's syndrome) ; breastfeeding; active peptic ulceration; haemophilia and other bleeding disorders. Side Effects: bronchospasm; gastro-intestinal haemorrhage.

Dose: secondary prevention of stroke or myocardial infarction, 300 mg daily (75, 81 or 100 mg daily for long term use with established cardiovascular disease, after coronary bypass surgery; or 150--300 mg on as soon as possible after an ischemic event).