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Clopidogrel, sold under the brand name Plavix among others, is an antiplatelet medication used to reduce the risk of heart disease and stroke in those at high risk. [10] It is also used together with aspirin in heart attacks and following the placement of a coronary artery stent ( dual antiplatelet therapy ). [ 10 ]
Due to reported severe adverse effects of ticlopidine second and third-thienopyridines, clopidogrel and prasugrel, were developed. [ 5 ] When ticlopidine and clopidogrel were first brought to the market, ticlodipine in 1978 and clopidogrel in 1998, the mechanism of action of these two major antithrombotic drugs was not fully understood.
Antiplatelet drugs are widely used in primary and secondary prevention of thrombotic disease, especially myocardial infarction and ischemic stroke. [ 1 ] Antiplatelet therapy with one or more of these drugs decreases the ability of blood clots to form by interfering with the platelet activation process in primary hemostasis .
Low doses of aspirin (for example 75–150 mg) are as effective as high doses but have fewer side effects; the lowest effective dose remains unknown. [126] Thienopyridines (clopidogrel, ticlopidine) might be slightly more effective than aspirin and have a decreased risk of gastrointestinal bleeding but are more expensive. [127]
Consistently with its reversible mode of action, ticagrelor is known to act faster and shorter than clopidogrel. [35] This means it has to be taken twice instead of once a day which is a disadvantage in respect of compliance, but its effects are more quickly reversible which can be useful before surgery or if side effects occur. [24] [36]
Tadalafil Side Effects Long-Term. There are no known long-term side effects of tadalafil. In fact, studies have shown this medication is well tolerated over the long term (if you can handle the ...
But some research has noted rare but serious side effects of once-weekly, 2.4-milligram (mg) semaglutide injections, ... More research is needed on Ozempic long-term side effects.
Side effects References aspirin: antiplatelet risks for GI tract bleeding and hemorrhagic stroke [40] [41] [32] [42] [43] dipyridamole: platelet aggregation inhibitor oral or intravenous Abdominal or stomach cramps, diarrhea, dizziness or lightheadedness [44] [45] [46] [41] clopidogrel: antiplatelet [45] [41] ticlid: enoxaparin: anticoagulant