Benzodiazepines
Controlled, and for good reason
Every generic name in this class ends in -pam / -lam. Anxiety, panic disorder, seizures, muscle spasm and alcohol withdrawal.
Boosts GABA, the brain's main calming signal.
The 4 benzodiazepines in the PTCB Top 200
| Generic | Brand | Common use |
|---|---|---|
| Alprazolam | Xanax | anxiety, panic |
| Clonazepam | Klonopin | seizures, panic disorder |
| Lorazepam | Ativan | anxiety, status epilepticus |
| Diazepam | Valium | anxiety, seizures, alcohol withdrawal |
Tap any generic name for its full drug guide — brand↔generic, side effects, interactions and the exam tip.
What to know for the exam
- check_circleMost generic names end in -pam or -lam.
- check_circleAll are Schedule IV controlled substances.
- check_circleIntended for short-term use; dependence develops with longer courses.
- check_circleMust be tapered — stopping suddenly can cause seizures.
Benzodiazepines combined with opioids carry a boxed warning for profound sedation and fatal respiratory depression.
C-IV scheduling and the opioid combination warning are the two points this class is usually tested on.
Drill benzodiazepines the way the PTCE asks them
RxReflex groups the Top 200 drugs into classes like this one, then quizzes you on brand↔generic, class, side effects and interactions. Plus a guided Learn path, pharmacy math and 40+ cheat sheets. Free to start.
Frequently asked
What does the suffix -pam / -lam mean? add
A generic drug name ending in -pam / -lam identifies it as one of the benzodiazepines. Anxiety, panic disorder, seizures, muscle spasm and alcohol withdrawal.
What drugs are in the benzodiazepines class? add
Alprazolam, Clonazepam, Lorazepam, Diazepam. All are in the PTCB Top 200.
What are benzodiazepines used for? add
Anxiety, panic disorder, seizures, muscle spasm and alcohol withdrawal.
How do benzodiazepines work? add
Boosts GABA, the brain's main calming signal.
Last reviewed August 7, 2026. For education only — not medical advice. Not affiliated with or endorsed by the PTCB.