Plavix Medication Side Effects

Plavix is a brand name for clopidogrel bisulfate, a medication prescribed to prevent blood clots and lower a patient's risk of heart attack or stroke. Plavix has potential side effects that may require medical attention, and can adversely interact with other medications you may be taking.

Common Side Effects

• According to Healthline, common side effects of Plavix may include headache, upset stomach, constipation and joint pain. It is rare for any of these to be serious.

Serious Side Effects

• Serious side effects include black or tarry stool, fever and sudden weakness. A patient experiencing these symptoms should speak with his physician before continuing to take Plavix.

Severe Side Effects

• Severe side effects that require immediate medical attention include blood in urine or vomit, difficulty breathing, unusual bleeding or bruising, and allergic reactions such as hives and swelling of your face, tongue and lips.

Existing Medical Conditions

• Before using Plavix, a patient should advise her physician of existing medical conditions, such as hemophilia, ulcers, liver disease or pregnancy.

Drug Interactions

• Healthline reports that Plavix has the potential to adversely interact with aspirin, blood thinners, anti-inflammatory medications and herbal supplements like ginkgo.