Valium belongs to which category?

• A. ACE inhibitor
• B. Antipsychotic
• C. Benzodiazepine
• D. Antidepressant

Answer: (C)

Valium belongs to the category of benzodiazepines. This class enhances the activity of the neurotransmitter GABA at the GABA-A receptor, which increases inhibitory signaling in the brain. That mechanism underlies its main effects: reducing anxiety, producing sedation, relaxing muscles, and helping control seizures. Because of these effects, diazepam (Valium) is used for anxiety disorders, short‑term anxiety relief, muscle spasm relief, seizure management, and to assist with alcohol withdrawal.

It isn’t an ACE inhibitor, which are blood pressure–lowering drugs that block the conversion of angiotensin I to angiotensin II. It isn’t an antipsychotic, which treat psychosis mainly by dopamine receptor blockade. It isn’t an antidepressant, which work on serotonin, norepinephrine, or other systems to treat mood disorders. Remembering the mechanism helps connect why Valium is classified with benzodiazepines and why it differs from those other categories. Also note that benzodiazepines can cause dependence and withdrawal and should be used with caution, especially with alcohol or other depressants.