Noninfectious Causes of Fever.
CENTRAL NERVOUS SYSTEM
- Subarachnoid hemorrhage
- Intracerebral hemorrhage
- Infarction
CARDIAC
- Myocardial infarction
- Pericarditis
PULMONARY
- Atelectasis
- Pulmonary embolism
- Fibroproliferative phase of acute respiratory distress syndrome
HEPATOBILIARY AND GASTROINTESTINAL
- Acalculous cholecystitis
- Acute pancreatitis
- Active Crohn’s disease
- Toxic megacolon
- Alcoholic hepatitis
RHEUMATOLOGIC SYNDROMES
- Vasculitides (e.g., polyarteritis nodosa, temporal arteritis, Wegener’s syndrome)
- Systemic lupus erythematosus
- Rheumatoid arthritis
- Goodpasture’s syndrome
ENDOCRINE
- Hyperthyroidism
- Adrenal insufficiency
- Pheochromocytoma
OTHER
- Drug reactions (“drug fever”)
- Transfusion reactions
- Neoplasms (especially lymphoma, hepatoma, and renal cell carcinoma)
- Malignant hyperthermia
- Neuroleptic malignant syndrome
- Serotonin syndrome
- Opioid withdrawal syndrome
- Ethanol withdrawal syndrome
- Transient endotoxemia or bacteremia associated with procedures
- Devitalized tissue secondary to trauma
- Hematoma
