📋 Indications & Clinical Dosage
*Prevention of atherothrombotic events in percutaneous coronary intervention (adjunct with aspirin) in patients not already on clopidogrel:*
Adult: Loading dose 300 mg, to be taken prior to the procedure, alternatively loading dose 600 mg, higher dose may produce a greater and more rapid inhibition of platelet aggregation.
*Transient or Acute Ischaemic Attack for patients with aspirin hypersensitivity, or those intolerant of aspirin despite the addition of a proton pump inhibitor:*
Adults: 75 mg daily
*Prevention of atherothrombotic events in acute coronary syndrome without ST-segment elevation:*
Adults: 300 mg loading dose followed by 75 mg daily given in combination with 75-100 mg aspirin daily, up to 12 months.
*Prevention of Atherothrombotic events in acute myocardial infarction with ST-Segment elevation:*
Adult: 18-75 years: Initially 300 mg, then 75 mg for at least 4 weeks
Adult: 76 years and over: 75 mg daily for at least 4 weeks
*Prevention of Atherothrombotic and thromboembolic events in patients with atrial fibrillation and risk factor for a vascular event (with aspirin) when warfarin is unsuitable:*
Adult: 75 mg once daily
Children: Not recommended.
⛔ Contraindications
Severe hepatic impairment, active bleeding such as peptic ulcer or intracranial haemorrhage.
⚠️ Precautions & Warnings
Patients at risk of increased bleeding from trauma, surgery, or other pathological conditions, renal impairment, moderate hepatic impairment surgery. Risk of bleeding and blood dyscrasias, per-form blood counts promptly if suspected and when used with other drugs or conditions that affect bleeding. Warn patients to report unusual bleeding. Discontinue 7 days before elective surgery if anti platelet effect not desirable.
🔄 Drug Interactions
Anticoagulants, glycoprotein Iib/Iiia inhibitors, thrombolytics, NSAIDs.
⚠️ Adverse Reactions / Side Effects
Headache, bleeding disorders; including gastro-intestinal and intracranial, diarrhoea, dyspepsia, constipation, decreased platelets, dizziness, duodenal ulcers, eosinophilia, flatulence, gastric ulcer, gastritis, leucopenia, nausea, paraesthesia, pruritus, rash, vomiting. Rare: Vertigo, thrombotic thrombocytopenic purpura.
🤰 Pregnancy & Lactation Safety
Pregnancy Risk:
Contraindicated in pregnancy.
Lactation / Breastfeeding:
Contraindicated or not recommended.