Precautions
Drug information provided by: Merative, Micromedex®
It is very important that your doctor check your progress at regular visits. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to take it. Blood tests may be needed to check for unwanted effects.
Your doctor may do a genetic test before prescribing this medicine to determine if you have a deficiency in a liver enzyme called CYP2C19. This medicine may not work as well if you have this condition.
Tell all medical doctors, dentists, nurses, and pharmacists you go to that you are taking this medicine. Clopidogrel may increase the risk of serious bleeding during a surgery, other medical procedures (eg, coronary stent procedure), or some kinds of dental work. You may need to stop using this medicine at least 5 days before a surgery, medical procedure, or dental work. Do not stop taking your medicine without your doctor's permission.
While you are using this medicine, if you have any kind of bleeding, it may take longer than usual to stop, especially if you hurt yourself. Stay away from rough sports or other situations where you could be bruised, cut, or injured. Be careful when using sharp objects, including razors and fingernail clippers.
This medicine may increase your risk of bleeding or bruising. This risk may increase if you are also using other medicines, including blood thinners, other antiplatelet medicines, or NSAIDs. Check with your doctor right away if you notice any unusual bleeding or bruising, black, tarry stools, blood in the urine or stools, or pinpoint red spots on your skin. Avoid picking your nose. If you need to blow your nose, blow it gently.
Do not change your dose or stop taking this medicine without checking first with your doctor.
Check with your doctor right away if you have a change in mental status, dark or bloody urine, difficulty with speaking, fever, pale color of the skin, pinpoint red spots on the skin, seizures, weakness, yellow eyes or skin. These maybe symptoms of a rare and serious condition called thrombotic thrombocytopenic purpura (TTP).
This medicine may cause allergic reactions, including angioedema, which can be life-threatening and require medical attention. Check with your doctor right away if you have large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, sex organs.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.
Portions of this document last updated: June 01, 2024
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