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Related Experiment Videos

Transient ischemic attack reported with paroxetine use.

Gail H Manos1, Steven M Wechsler

  • 1Department of Psychiatry, Naval Medical Center Portsmouth, Portsmouth, VA 23708-2197, USA. ghmanos@mar.med.navy.mil

The Annals of Pharmacotherapy
|February 18, 2004
PubMed
Summary
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A patient experienced a transient ischemic attack (TIA) linked to starting paroxetine. Symptoms reappeared upon restarting the medication, suggesting a probable adverse drug event.

Area of Science:

  • Neuroscience
  • Pharmacology
  • Cardiovascular Medicine

Background:

  • Selective serotonin-reuptake inhibitors (SSRIs) like paroxetine are widely prescribed.
  • Serotonin plays a complex role in vascular regulation.
  • Endothelial dysfunction can alter vascular response to serotonergic agents.

Observation:

  • A 57-year-old male with atrial fibrillation and hypercholesterolemia presented with TIA symptoms.
  • Symptoms, including slurred speech and facial droop, emerged three days after initiating paroxetine.
  • The patient's symptoms resolved with anticoagulation but recurred upon paroxetine re-challenge.

Findings:

  • Paroxetine may increase vasoconstriction by enhancing serotonergic activity and inhibiting nitric oxide production.
  • In patients with pre-existing vascular risk factors like atherosclerosis, this can lead to ischemic events.

Related Experiment Videos

  • The TIA was assessed as a probable adverse event causally linked to paroxetine use.

    • Implications:

    • Clinicians should consider the potential for vascular adverse events with paroxetine and other SSRIs.
    • Patients with risk factors for cerebrovascular disease may be more susceptible.
    • This case highlights the importance of monitoring for neurological symptoms during SSRI therapy.