Clopidogrel
Clopidogrel Bisulfate Oral tablet
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.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
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.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
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
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
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.
Notify your doctor or health care professional and seek emergency treatment if you develop breathing problems; changes in vision; chest pain; severe, sudden headache; pain, swelling, warmth in the leg; trouble speaking; sudden numbness or weakness of the face, arm or leg. These can be signs that your condition has gotten worse.
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.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
breathing problems
changes in vision
fever
signs and symptoms of bleeding such as bloody or black, tarry stools; red or dark-brown urine; spitting up blood or brown material that looks like coffee grounds; red spots on the skin; unusual bruising or bleeding from the eye, gums, or nose
sudden weakness
unusual bleeding or bruising
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
constipation or diarrhea
headache
pain in back or joints
stomach upset
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Where should I keep my medicine?
Keep out of the reach of children.
Store at room temperature of 59 to 86 degrees F (15 to 30 degrees C). Throw away any unused medicine after the expiration date.
Updated:  
March 21, 2017
Sources:  
U.S. FDA-approved Package Insert