Numbness of extremities, euphoria, depression, malaise/lethargy, confusion, sedation/drowsiness, dizziness, restlessness, headache; anaphylaxis, angioneurotic edema, urticaria, gum swelling, pruritus; toxic megacolon, paralytic ileus, pancreatitis, vomiting, nausea, anorexia, abdominal discomfort; hyperthermia, tachycardia, urinary retention, flushing, skin & mucous membrane dryness.