Hypotension, ileus, syncope; rigors, back pain, malaise; tachycardia, bradycardia, arrhythmia, cardiac or circulatory failure, MI; tremor, convulsions, vertigo, melena, flatulence, hemorrhage, gastritis, hiccups, ulcerative stomatitis; tinnitus; anaphylaxis; symptomatic hypoglycemia, thirst; myalgia, arthralgia; mesenteric embolism, purpura, epistaxis, pulmonary embolism; confusion, hallucination, depression; leucorrhea, vaginitis; pharyngitis, pulmonary edema, bronchospasm, coughing; genital pruritis, diaphoresis; taste perversion; urinary retention, dysuria, oliguria, hematuria, incontinence; photophobia, flushing, hepatitis, cholestatic jaundice; hemolytic anemia.