Cardiovascular: Hypotension, tachycardia, flushing
Central nervous system: Drowsiness, fatigue, CNS depression, coma,
parkinsonism, hypothermia
Endocrine & metabolic: Sodium and water retention, gynecomastia,
galactorrhea
Gastrointestinal: Abdominal cramps, nausea, vomiting, gastric acid secretion
(increased), dry mouth, diarrhea
Ocular: Miosis, conjunctival flushing
Respiratory: Nasal congestion