When used to treat acute anxiety, a common problem with the benzodiazepines is:

Rationale: A. Benzodiazepines typically cause sedation rather than insomnia, although paradoxical reactions can occasionally occur. B. Dependence is a well-recognized problem with benzodiazepines, especially with prolonged use. Patients may develop tolerance, requiring higher doses, and abrupt discontinuation can lead to withdrawal symptoms. C. While drug interactions are possible, they are generally less common than the risk of dependence. D. Cost is usually not a primary concern with benzodiazepines, as many are available as inexpensive generic medications.