The most common adverse effects of Plavix are, sudden headache and joint pain. The infrequent side effects of the drug are divided into two categories based on its severity. The severe side effects include: Hemorrhage, itching, and bleeding of the intestines or stomach, which can be indicated by bloody or tarry stools and urine, while the less severe ones are: Nosebleed, rash, and eczema.
Some serious side effects require immediate medical attention such as, coughing up blood, balance problems (vision and speech), crushing heavy chest pain that spreads to jaw, shoulder,