The physiological difference between anticoagulant “blood thinners” like warfarin, and anti-platelet drugs like aspirin.

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After some research all the sources I’ve found either gave a very vague “they slow down clot formation” or went into explicit detail that I’d need a PhD to understand. What’s the actual difference in how they work.

Bonus ELI5- How does alcohol thin blood? This was actually the original question I wanted answered but my curiosity went a step further.

In: Biology

4 Answers

Anonymous 0 Comments

Hi. Medical student here.

Clot formation has several steps.

1) Injury
2) Vessel constriction
3) Platelets become sticky and adhere to the injury
4) Platelets that are stuck to the injury grow a web to keep them in place.

Anticoagulants interfere with step 4. Antiplatelets interfere with step 3.

Alcohol is an antiplatelet.

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