Neuromuscular blocking agents and skeletal muscle relaxantsDrugs that affect autonomic functions or the extrapyramidal system; Dermatological drugs and topical agents; Antihistamines (H1 receptor antagonists); Drugs acting on the respiratory tract; Positive inotropic drugs and drugs used in dysrhythmias; Beta-adrenoceptor antagonists and antianginal drugs; Drugs acting on the cerebral and peripheral circulations; Antihypertensive drugs; Diuretics; Metals; Metal antagon.