Aggrastat is a platelet aggregation inhibitor. It works by blocking platelets from sticking together to form blood clots.

* If Aggrastat contains particles or is discolored, or if the vial is cracked or damaged in any way, do not use it.

* Aggrastat is only to be injected into the vein or artery.

* Keep this product, as well as syringes and needles, out of the reach of children and away from pets. Do not reuse needles, syringes, or other materials. Dispose of properly after use. Ask your doctor or pharmacist to explain local regulations for proper disposal.

* If you miss a dose of Aggrastat , contact your doctor immediately.

Dizziness; headache; leg pain; nausea; pelvic pain; sweating.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); bruising, pain, redness, or swelling at the injection site; changes in heart rhythm; chills; difficulty urinating; fainting; fever; numbness; tingling or weakness in the arms or legs; unusual bruising or bleeding (eg, bleeding gums, nosebleeds, bleeding in the eye, blood in the urine, black or tarry stools, coughing up blood, vomiting blood or material that looks like coffee grounds)