Headache, diarrhea, abnormal stools & palpitations. Infection; agranulocytosis, anemia, aplastic anemia, bleeding tendency, prolonged bleeding time, ecchymosis, granulocytopenia, leukopenia, pancytopenia, thrombocythemia, thrombocytopenia, increased eosinophils; allergic reaction, anaphylaxis, angioedema; anorexia, DM, edema (peripheral, face), hyperglycemia, hyperuricemia; anxiety; abnormal dreams, cerebral hemorrhage, CVA, dizziness, dull headache, hypoesthesia, insomnia, intracranial hemorrhage, paresis, sleepiness, tremor, vertigo; conjunctivitis, eye hemorrhage, retinal hemorrhage; tinnitus; angina pectoris, arrhythmia, atrial fibrillation, CHF, MI, nodal arrhythmia, supraventricular extrasystoles, supraventricular tachycardia, syncope, tachycardia, Torsades de pointes & QTc prolongation in patients w/ cardiac disorders (eg, complete AV block, heart failure & bradyarrhythmia), ventricular extrasystoles, ventricular tachycardia; epistaxis, hemorrhage (unspecified), hot flushes, HTN, hypotension, orthostatic hypotension, subacute stent thrombosis; cough, dyspnea, interstitial pneumonia, pharyngitis, pneumonia, pulmonary hemorrhage, resp tract hemorrhage, rhinitis; abdominal distention, abdominal pain, dysgeusia, dyspepsia, flatulence, gastritis, GI hemorrhage, heartburn, melena, nausea, vomiting; hepatic dysfunction/abnormal liver function tests, hepatitis, jaundice, increases in: alkaline phosphatase, AST, ALT, lactate dehydrogenase; alopecia, eczema, photosensitivity, pruritus, rash, skin drug eruption (dermatitis medicamentosa), skin eruptions, Stevens-Johnson syndrome, toxic epidermal necrolysis, urticaria, subcutaneous hemorrhage; muscle hemorrhage, myalgia; hematuria, pollakiuria, renal failure, renal impairment; asthenia, chest pain, chills, generalized edema, malaise, pain, pyrexia, sweating, weakness; increases in blood creatinine, blood glucose, BP, BUN, uric acid level; decrease in BP; extradural hematoma, subdural hematoma.