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  • Basic Info
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Generic: clopidogrel
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It helps to prevent blood clots

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What is this medicine?

CLOPIDOGREL (kloh PID oh grel) helps to prevent blood clots. This medicine is used to prevent heart attack, stroke, or other vascular events in people who are at high risk.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of the following conditions:
  • bleeding disorder
  • bleeding in the brain
  • planned surgery
  • stomach or intestinal ulcers
  • stroke or transient ischemic attack
  • an unusual or allergic reaction to clopidogrel, other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast- feeding

How should I use this medicine?

Take this medicine by mouth with a drink of water. Follow the directions on the prescription label. You may take this medicine with or without food. Take your medicine at regular intervals. Do not take your medicine more often than directed.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine?

  • aspirin
  • blood thinners like cilostazol, enoxaparin, ticlopidine, and warfarin
  • certain medicines for depression like citalopram, fluoxetine, and fluvoxamine
  • certain medicines for fungal infections like ketoconazole, fluconazole, and voriconazole
  • certain medicines for HIV infection like delavirdine, efavirenz, and etravirine
  • certain medicines for seizures like felbamate, oxcarbazepine, and phenytoin
  • chloramphenicol
  • fluvastatin
  • isoniazid, INH
  • medicines for inflammation like ibuprofen and naproxen
  • modafinil
  • nicardipine
  • over- the counter supplements like echinacea, feverfew, fish oil, garlic, ginger, ginkgo, green tea, horse chestnut
  • quinine
  • stomach acid blockers like cimetidine, omeprazole, and esomeprazole
  • tamoxifen
  • tolbutamide
  • topiramate
  • torsemide

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular check ups. Do not stop taking your medicine unless your doctor tells you to.

If you are going to have surgery or dental work, tell your doctor or health care professional that you are taking this medicine.

Certain genetic factors may reduce the effect of this medicine. Your doctor may use genetic tests to determine treatment.

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