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Hydrocodone/acetaminophen

Brand: Norco, Vicodin (both discontinued; generic only)

Opioid analgesic (C-II)Used for: Moderate to severe painPain & Inflammation
Boxed warning · ISMP high-alert drug

Addiction, abuse, and misuse; life-threatening respiratory depression; profound sedation and death with benzodiazepines or other CNS depressants; neonatal opioid withdrawal syndrome with prolonged use in pregnancy. Also hepatotoxicity from acetaminophen above 4 g per day.

Caution
Count acetaminophen from every source toward the daily maximum.
Pregnancy
Prolonged use in pregnancy causes neonatal opioid withdrawal syndrome (boxed).

Common side effects

  • Drowsiness
  • Constipation
  • Nausea
  • Dizziness
  • Lightheadedness

Key interactions

  • Avoid alcohol and other sedatives
  • Benzodiazepines cause dangerous sedation
  • Watch total acetaminophen from other products
  • Adds drowsiness with muscle relaxants

Counseling points

  • Do not exceed acetaminophen limits from all sources
  • Do not drive until you know its effect
  • Avoid alcohol
  • Use stool softeners for constipation
  • May be habit-forming
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