← Drug quick-reference

Nitroglycerin

Brand: Nitrostat

NitrateUsed for: Angina (chest pain)Cardiovascular
Key warning

Caution: never combine with sildenafil-type drugs; severe blood-pressure drop

Common side effects

  • Headache
  • Dizziness
  • Flushing
  • Low blood pressure
  • Fast heartbeat

Key interactions & cautions

  • Do not use with erectile-dysfunction drugs
  • Alcohol worsens blood-pressure drop
  • Adds to other blood-pressure medicines

Counseling points

  • Sit down before placing tablet under tongue
  • May repeat every 5 minutes up to 3 doses
  • Call 911 if chest pain persists
  • Store in original glass bottle
  • 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.