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Psychiatry · Psychopharmacology adverse effects
Sample itemA woman who stopped paroxetine abruptly after missing her tablets for several days complains of dizziness, electric-shock-like sensations, nausea, irritability and insomnia. Which is the best next step?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Restart paroxetine and taper the dose gradually
Antidepressant discontinuation syndrome develops within days of abrupt cessation, particularly with short half-life drugs such as paroxetine and venlafaxine. Symptoms include flu-like illness, sensory disturbances (brain zaps), dizziness and anxiety. Management is reassurance and reinstitution of the drug with a slow taper.
Option by option
A. Treat as relapse of depression with ECT
Relapse would not cause electric-shock sensations within days of stopping, and ECT is not indicated.
B. Start a benzodiazepine for long-term use
Long-term benzodiazepines carry dependence risk and do not treat the underlying syndrome.
C. Restart paroxetine and taper the dose gradually (correct)
Correct. Reinstating the drug and tapering slowly resolves the discontinuation symptoms.
D. Start an antipsychotic for presumed psychosis
The picture is not psychosis, so an antipsychotic is not indicated.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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