**Question:** In alcohol withdrawal, drug of choice is:

A. Benzodiazepines
B. Antipsychotics
C. ACE inhibitors
D. Antidepressants

**Core Concept:**

Alcohol withdrawal syndrome is a potentially life-threatening condition that occurs in patients who abruptly stop or reduce alcohol consumption after prolonged use. It is characterized by symptoms like tremors, anxiety, agitation, seizures, and delirium tremens (DTs). Benzodiazepines are a class of drugs that act on the brain's gamma-aminobutyric acid (GABA) receptors, specifically the GABA-A receptor, which leads to increased GABA neurotransmission and enhanced inhibitory synaptic transmission, thereby reducing the excitatory effects of alcohol withdrawal.

**Why the Correct Answer is Right:**

Benzodiazepines are the drug of choice in alcohol withdrawal because they effectively reduce the symptoms of withdrawal by:

1. Suppressing the symptoms of tremors, anxiety, and agitation due to their GABA-A receptor agonist properties.
2. Reducing the risk of seizures and DTs by stabilizing the benzodiazepine receptors and suppressing the neuronal excitability.
3. Prompting a gradual reduction in drug administration to prevent rebound anxiety and withdrawal symptoms upon discontinuation.

**Why Each Wrong Option is Incorrect:**

1. Antipsychotics (Option B) are primarily used to treat psychotic symptoms and are not specifically designed to manage the withdrawal symptoms of alcohol.
2. ACE inhibitors (Option C) are used for hypertension and heart failure treatment, not alcohol withdrawal.
3. Antidepressants (Option D) are primarily used to treat mood disorders and are not recommended for managing alcohol withdrawal symptoms due to their potential to exacerbate the withdrawal process.

**Clinical Pearl:**

In alcohol withdrawal, benzodiazepines are the drug of choice due to their GABA-A receptor agonist properties, effectively managing withdrawal symptoms and reducing the risk of complications. Gradual tapering of benzodiazepine administration is crucial to prevent rebound effects upon discontinuation. This approach ensures a safer and more controlled withdrawal process for patients with alcohol dependence.