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Pharmacological TherapiesAtypical → lowers seizure threshold

BupropionNCLEX cheat sheet

Bupropion is an atypical antidepressant (a norepinephrine-dopamine reuptake inhibitor) used for depression, seasonal affective disorder, and smoking cessation (as Zyban).

21 key facts 4 practice questions Reviewed Oct 2026
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Uses

  • Depression, smoking cessation (Zyban)
  • ↑ dopamine & norepi, no sexual SE

Signs

  • Insomnia, dry mouth, weight loss
  • Agitation, headache, tremor

Avoid

  • Seizure hx, eating disorder, MAOI
  • Heavy alcohol → ↑ seizure risk

Teach

  • Take 2nd dose early → avoid insomnia
  • Report mood change, suicidal thoughts
Red flag to remember

Seizures - hold drug and report immediately.

Before you read

Test yourself first: 4 questions

Question 1 of 4

A client with treatment-resistant depression is started on bupropion. Which condition in the client's history would be a contraindication the nurse should report?

What is bupropion?

It is notable for NOT causing sexual dysfunction or significant weight gain, unlike SSRIs, but it lowers the seizure threshold. It is contraindicated in patients with seizure disorders or eating disorders.

Key points to remember

  • Lowers the seizure threshold; contraindicated with seizure disorders, bulimia, or anorexia.
  • Does not typically cause sexual dysfunction or weight gain (often a reason it is chosen).
  • Can be activating - may cause insomnia, agitation, dry mouth, and decreased appetite.
  • Used for smoking cessation under the name Zyban; reduces nicotine cravings.
  • Carries the antidepressant suicide black box warning; takes 2-4 weeks for full effect.
  • Avoid alcohol, which further lowers the seizure threshold.

Signs & symptoms

  • Insomnia, dry mouth, weight loss
  • Agitation, headache, tremor

Nursing priorities

  1. Screen for history of seizures, eating disorders, and head injury before administering.
  2. Assess for suicidal ideation, especially early in therapy.
  3. Give the last dose earlier in the day to limit insomnia.
  4. Teach to avoid alcohol and not to exceed the prescribed dose (dose-related seizure risk).
  5. Monitor for excessive CNS stimulation or agitation.

Patient teaching

  • Do not drink alcohol and do not take more than prescribed - both raise seizure risk.
  • Take doses earlier in the day to reduce trouble sleeping.
  • Expect 2-4 weeks for full effect; report any seizure activity at once.
  • If used to quit smoking, you may use it while still smoking during the initial period as directed.

Red flags: report now

  • Seizures - hold drug and report immediately.
  • New or worsening suicidal thoughts.
  • Do not use in patients with a seizure disorder or eating disorder.
  • Severe agitation or psychosis.

References

Clinical references for this topic

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