Incense is a material that creates a smell when it is burned. Incense overdose can occur when someone accidentally or intentionally sniffs or swallows liquid incense. Solid incense is not considered poisonous.

This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.

• Aromatic oils
• Nitrates
• Nitrites (including amyl nitrite)

Liquid incense is sold on the Internet under a variety of brand names. It is usually described as a room deodorizer, despite being sold for other purposes. Liquid incense that is breathed in (inhaled) is called a "popper."

• Eyes, ears, nose, and throat
  • Blurred vision
  • Burning pain in the throat
  • Burns to the eye
• Gastrointestinal
  • Abdominal pain
  • Diarrhea (watery, bloody)
  • Vomiting
• Heart and blood
  • Low blood pressure
  • Methemoglobinemia
• Lungs
  • Difficulty breathing (from breathing in or allergic reaction)
• Nervous system
  • Coma
  • Euphoria, a feeling like being drunk (intoxicated)
  • Seizures
  • Stupor
• Skin
  • Blue skin or fingers
  • Rash