In choosing a benzodiazepine to treat anxiety the prescriber needs to be aware of the possibility of dependence. The benzodiazepine with the greatest likelihood of causing rapidly developing dependence is:

Benzodiazepines are central nervous system depressants used for the short-term management of anxiety disorders, panic disorders, and acute agitation. They work by enhancing the effect of gamma-aminobutyric acid (GABA), producing anxiolytic, sedative, and muscle-relaxant effects. Although effective, these medications carry a risk of tolerance, dependence, and withdrawal, especially with prolonged or high-dose use. The onset of action and duration of effect influence their abuse potential and likelihood of dependence. Rationale: A. Diazepam (Valium) has a long half-life and active metabolites, which results in a slower onset and more prolonged effect in the body. This pharmacokinetic profile generally leads to a lower risk of rapid dependence compared to shorter-acting benzodiazepines. While dependence is still possible, it tends to develop more gradually than with high-potency, short-acting agents. B. Lorazepam (Ativan) is an intermediate-acting benzodiazepine commonly used for anxiety and acute agitation. It has a relatively faster onset than long-acting agents but still does not produce the same rapid reinforcement pattern associated with the highest-risk drugs. Dependence can occur, but it is generally less rapid compared to short-acting, high-potency agents like alprazolam. C. Alprazolam (Xanax) is a short-acting, high-potency benzodiazepine with a rapid onset of action, which increases its reinforcing effects and potential for misuse. The quick relief of anxiety symptoms contributes to a higher risk of psychological and physical dependence. It is therefore the benzodiazepine most associated with rapid development of dependence among the options listed. D. Clonazepam (Klonopin) is a long-acting benzodiazepine with a slower onset and longer duration of action. This results in more stable plasma levels and a lower likelihood of rapid reinforcement compared to short-acting agents. While dependence can still develop with prolonged use, it generally occurs more gradually than with alprazolam.