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Hydroxyzine

Brand: Vistaril (Atarax discontinued)

AntihistamineUsed for: Anxiety, itchingOther High-Yield

No boxed warning on the current FDA label.

Caution
QT prolongation; strong anticholinergic and sedating effects in older adults.

Common side effects

  • Drowsiness
  • Dry mouth
  • Dizziness
  • Blurred vision

Key interactions

  • Adds to alcohol and other sedatives
  • QT risk with other QT-prolonging drugs
  • Additive drying with anticholinergic drugs

Counseling points

  • May cause marked drowsiness
  • Avoid alcohol
  • Use care when driving
  • Suck on hard candy for dry mouth
  • Rise slowly to reduce dizziness
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High-yield study aid for exam prep, not a substitute for the package insert or a pharmacist’s dispensing reference.