CV: Hypotension; orthostatic hypotension; bradycardia; tachycardia; palpitations. CNS: Lightheadedness; dizziness; drowsiness; sedation; euphoria; dysphoria; elirium; disorientation; incoordination. DERM: Sweating; pruritus; urticaria. E&ENT: Blurred vision; miosis. GI: Nausea; vomiting; constipation; abdominal pain. GU: Urinary retention or hesitancy. RESP: Respiratory depression; apnea; respiratory arrest; laryngospasm; depression of cough reflex. OTHER: Tolerance; psychological and physical dependence with chronic use; pain at injection site; local irritation and induration following SC
CV: Hypotension; orthostatic hypotension; bradycardia; tachycardia; palpitations. CNS: Lightheadedness; dizziness; drowsiness; sedation; euphoria; dysphoria; elirium; disorientation; incoordination. DERM: Sweating; pruritus; urticaria. E&ENT: Blurred vision; miosis. GI: Nausea; vomiting; constipation; abdominal pain. GU: Urinary retention or hesitancy. RESP: Respiratory depression; apnea; respiratory arrest; laryngospasm; depression of cough reflex. OTHER: Tolerance; psychological and physical dependence with chronic use; pain at injection site; local irritation and induration following SC