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24.antiplatelet drugs
- 3. ASPIRIN
Low dose aspirin (75-150 mg/day)-
selectively produce antiplatelet activity
Irreversibly inhibits thromboxane synthase
Reduces TXA2 production antiplatelet
activity
- 4. Mechanism of action
Membrane phospholipids
↓
Arachidonic acid
↓
cyclic endoperoxides
↓ Thromboxane synthase
TXA2 (platelet aggregation)
Aspirin
Inhibits