Not medical advice. General education only — not medical advice, and not a substitute for your prescriber or pharmacist. Emergency & crisis resources · How we review content

Emergency Warning Signs Wallet Card

A compact, printable card listing the emergency warning signs associated with trazodone — designed to be cut out and kept in a wallet or medicine cabinet.

Version dated August 8, 2026

Open printable version →

Call 911 or go to the ER immediately if you experience:

  • An erection lasting more than 4 hours (priapism)
  • Fever with agitation, muscle rigidity, or rapid heartbeat (possible serotonin syndrome)
  • Fainting or irregular heartbeat
  • Severe allergic reaction: swelling of face/throat, trouble breathing
  • Seizure
  • Thoughts of suicide or self-harm — or call/text 988

Poison Control (suspected overdose): 1-800-222-1222

988 Suicide & Crisis Lifeline: call or text 988