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Norplat Tablets SpecificationRequires Prescription (YES/NO)YesGenericsClopidogrelUsed ForStrokeHow it worksClopidogrel is a prodrug, one of whose metabolites is an inhibitor of platelet aggregation. Clopidogrel must be metabolised by CYP450 enzymes to produce the active metabolite that inhibits platelet aggregation. The active metabolite of clopidogrel selectively inhibits the binding of adenosine diphosphate (ADP) to its platelet P2Y12 receptor and the subsequent ADP-mediated activation of the glycoprotein GPIIb/IIIa complex, thereby inhibiting platelet aggregation. Due to the irreversible binding, platelets exposed are affected for the remainder of their lifespan (approximately 7-10 days) and recovery of normal platelet function occurs at a rate consistent with platelet turnover. Platelet aggregation induced by agonists other than ADP is also inhibited by blocking the amplification of platelet activation by released ADP.Norplat Tablets Usage And SafetyDosageClopidogrelSide EffectsAbdominal pain, dyspepsia, gastritis, diarrhea, nausea, vomiting, constipation, gastrointestinal hemorrhage, ulceration, neutropenia, rash, palpitation, syncope, drowsiness, asthenia, neuralgia, paresthesia and vertigo.Drug InteractionsWarfarin , Glycoprotein IIb/IIIa inhibitors , Acetylsalicylic acid (ASA) , Heparin , Thrombolytics , NSAIDs , SSRIs , omeprazole and esomeprazole, fluvoxamine, fluoxetine, moclobemide, voriconazole, fluconazole, ticlopidine, carbamazepine, and efavirenz .IndicationSecondary prevention of atherothrombotic events : Adult patients suffering from myocardial infarction (from a few days until less than 35 days), ischaemic stroke (from 7 days until less than 6 months) or establishedperipheral arterial disease. Prevention of atherothrombotic and thromboembolic events in atrial fibrillation: In adult patients with atrial fibrillation who have at least one risk factor for vascular events, are not suitable for treatment with Vitamin K antagonists (VKA) and who have a low bleeding risk, clopidogrel is indicated in combination with ASA for the prevention of atherothrombotic and thromboembolic events, including stroke.When not to Use1.Hypersensitivity to the active substance. 2. Active pathological bleeding such as peptic ulcer or intracranial haemorrhage. 3.Severe hepatic impairment.Norplat Tablets PrecautionsPrecautionDue to the risk of bleeding and haematological adverse reactions, blood cell count determination and/or other appropriate testing should be promptly considered whenever clinical symptoms suggestive of bleeding arise during the course of treatment. Patients should be followed carefully for any signs of bleeding including occult bleeding, especially during the first weeks of treatment and/or after invasive cardiac procedures or surgery.Norplat Tablets WarningsWarning 1Acquired haemophilia: in cases of confirmed isolated activated Partial Thromboplastin Time (aPTT) prolongation with or without bleeding, acquired haemophilia should be considered. Patients with a confirmed diagnosis, clopidogrel should be discontinued.Warning 2Recent ischaemic stroke: Clopidogrel cannot be recommended during the first 7 days after acute ischaemic stroke .Warning 3Hepatic impairment: Experience is limited in patients with moderate hepatic disease who may have bleeding diatheses. Clopidogrel should therefore be used with caution in this population .Norplat Tablets Additional InformationPregnancy categoryAlways consult your physician before using any medicine.Storage (YES/NO)Store this medicine at room temperature, away from direct light and heat.