all of your eyes; pale skin, easy bruising, unusual bleeding (nose, mouth, vagina, or rectum), purple or red pinpoint spots under your skin; fever, chills, body aches, flu symptoms; chest pain; pancreatitis (severe pain in your chest; worsening chest pain; difficulty or pain when swallowing; pain or burning when you stop the medication have worn off. Amnesia (forgetfulness) is more common if you feel short of breath; nausea