A refrigerant is a chemical that makes things cold. This article discusses poisoning from sniffing or swallowing such chemicals.

The most common poisoning occurs when people intentionally sniff a type of refrigerant called freon.

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.

• Fluorinated hydrocarbons

• Various refrigerants
• Some fumigants

Note: This list may not be all inclusive.

• Lungs
  • Breathing difficulty
  • Throat swelling (which may also cause breathing difficulty)
• Eyes, ears, nose, and throat
  • Severe pain in the throat
  • Severe pain or burning in the nose, eyes, ears, lips, or tongue
  • Loss of vision
• Stomach and intestines
  • Severe abdominal pain
  • Vomiting
  • Burns of the esophagus (food pipe)
  • Vomiting blood
  • Blood in the stool
• Heart and blood
  • Irregular heart rhythms
  • Collapse
• Skin
  • Irritation
  • Burn
  • Necrosis (holes) in the skin or underlying tissues

NOTE: Most symptoms result from breathing in the substance.