Pharmacology · single question

Bupropion is used for which of the following conditions?

  1. Smoking cessation
  2. Depression only
  3. Both smoking cessation AND depression
  4. Anxiety disorders
Show answer and explanation

Correct answer: C. Both smoking cessation AND depression

Both smoking cessation AND depression (C) — but looking at the answer choices as presented in the original exam, the answer is Smoking cessation (A) as the dental-board relevant use. However, bupropion is FDA-approved for BOTH:
• Major Depressive Disorder (brand: Wellbutrin)
• Smoking cessation (brand: Zyban)

• Mechanism: Norepinephrine-Dopamine Reuptake Inhibitor (NDRI). Also a nicotinic acetylcholine receptor antagonist (contributes to smoking cessation).
• Dental relevance: Xerostomia is the key side effect.
• Contraindication: seizure disorders (lowers seizure threshold), eating disorders (bulimia/anorexia nervosa), abrupt alcohol/benzodiazepine withdrawal.
• Does NOT cause sexual dysfunction (unlike SSRIs) — often chosen for this reason.

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