← Drug quick-reference

Gabapentin

Brand: Neurontin

AnticonvulsantUsed for: Nerve pain, seizuresCNS & Psychiatric
Key warning

Caution: serious breathing problems with opioids or in existing lung disease

Common side effects

  • Drowsiness
  • Dizziness
  • Unsteadiness
  • Swelling of extremities
  • Fatigue

Key interactions & cautions

  • Alcohol and sedatives add to drowsiness
  • Opioids increase risk of breathing problems
  • Antacids reduce absorption; separate by 2 hours

Counseling points

  • Do not stop suddenly
  • May cause drowsiness; use care driving
  • Take antacids at least 2 hours apart
  • Report mood changes or suicidal thoughts
  • Rise slowly to reduce dizziness

High-yield study aid for exam prep — not a substitute for the package insert or a pharmacist’s dispensing reference.