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Plavix

"March 11, 2010 - The FDA has put a new "black box" warning on the anti-clotting drug Plavix, the second best-selling drug in the world.

The new label warns that normal doses of Plavix have a potentially deadly lack of effect in 2% "...

Plavix

Plavix

OVERDOSE

Platelet inhibition by Plavix is irreversible and will last for the life of the platelet. Overdose following clopidogrel administration may result in bleeding complications. A single oral dose of clopidogrel at 1500 or 2000 mg/kg was lethal to mice and to rats and at 3000 mg/kg to baboons. Symptoms of acute toxicity were vomiting, prostration, difficult breathing, and gastrointestinal hemorrhage in animals.

Based on biological plausibility, platelet transfusion may restore clotting ability.

CONTRAINDICATIONS

Active Bleeding

Plavix is contraindicated in patients with active pathological bleeding such as peptic ulcer or intracranial hemorrhage.

Hypersensitivity

Plavix is contraindicated in patients with hypersensitivity (e.g., anaphylaxis) to clopidogrel or any component of the product [see ADVERSE REACTIONS].

Last reviewed on RxList: 12/30/2013
This monograph has been modified to include the generic and brand name in many instances.

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