one study, anticholinergic and antimuscarinic side effects occurred in 84% of patients. Other side effects have included withdrawal symptoms and case reports of hiccups . Withdrawal symptoms after abrupt cessation of chlordiazepoxide may include agitation, restlessness, anxiety, insomnia, convulsions, tremor, abdominal cramps, vomiting, and sweating. Children, adolescents, and young adults (18 to