← Drug quick-reference

Venlafaxine

Brand: Effexor

SNRI antidepressantUsed for: Depression, anxietyCNS & Psychiatric
Key warning

Boxed warning: suicidal thoughts and behaviors in children, adolescents, and young adults

Common side effects

  • Nausea
  • Dizziness
  • Dry mouth
  • Insomnia
  • Raised blood pressure

Key interactions & cautions

  • Do not combine with MAOI antidepressants
  • Serotonin syndrome risk with other serotonergic drugs
  • Caution with blood thinners
  • Avoid alcohol

Counseling points

  • Take with food
  • Do not stop suddenly
  • May take weeks for full effect
  • Report worsening mood or suicidal thoughts
  • Swallow extended-release capsules whole

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