Fever, hypothermia, thirst; dysrhythmias, hypotension, tachycardia; dehydration, hyperkalemia, metabolic acidosis, resp alkalosis; dyspepsia, GI bleeding, ulceration & perforation, nausea, vomiting, transient elevations of hepatic enzymes, hepatitis, Reye's syndrome, pancreatitis; prolongation of prothrombin time, disseminated intravascular coagulation, coagulopathy, thrombocytopenia; acute anaphylaxis, angioedema, asthma, bronchospasm, laryngeal edema, urticaria; hypoglycemia (in childn), hyperglycemia; rhabdomyolysis; agitation, cerebral edema, coma, confusion, dizziness, headache, subdural or intracranial hemorrhage, lethargy, seizures; prolonged pregnancy & labor, stillbirths, lower birth wt infants, antepartum & postpartum bleeding; hyperpnea, pulmonary edema, tachypnea; hearing loss, tinnitus; interstitial nephritis, papillary necrosis, proteinuria, renal insufficiency & failure.