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Health Canada warns consumers not to inhale nitrous oxide, also known as laughing gas, recreationally

Issued November 20, 2025
Issue
Health Canada is warning consumers about the serious health risks, including death, of inhaling nitrous oxide products, also known as laughing gas and by various street names, such as "whippets," "hippy crack," "NOS" and "nang," for recreational purposes. In Canada, nitrous oxide sold for inhalation is a drug and can only be administered by an authorized health care professional for legitimate and safe uses, such as in medical and dental procedures for sedation and pain relief. It is also in cream dispensers and other food tools where it is not meant to be inhaled. When inhaled—or "huffed"—nitrous oxide can cause euphoria and relaxation. It can also cause serious adverse effects such as: loss of consciousness and in some cases, death birth defects anemia, vitamin B12 deficiency impaired bowel and bladder function confusion, agitation, delusions, hallucinations, paranoia and depression increased heart rate, palpitations, low blood pressure, heart attack and stroke lack of oxygen in the body (asphyxia), blood clots in the extremities and in the lungs, and air leaks into the space between the lung and chest wall (pneumothorax) tingling, numbness and weakness of the limbs and extremities (fingers and toes), uncoordinated walking and falls nerve damage, spinal cord degeneration, prolonged pain and, in severe cases, permanent paralysis Repeated use increases the likelihood of severe outcomes and may result in lasting neurological damage, even after stopping use. Regular use can also lead to addiction and withdrawal symptoms. Advertising and selling nitrous oxide products for inhalation to the public is strictly prohibited. However, Health Canada is aware that these products are being sold online and in retail stores. These products may be deceptively labelled: as "whip cream chargers," in flavours, which are not permitted, in stores you would not expect to find whipped cream chargers; and in large containers you would not expect for dispensing whipped cream. Health Canada has not reviewed these products, which are regulated as drugs, for safety, efficacy or quality. Also, they could be contaminated in ways that create additional health risks when inhaled.
Hazard description
Product safety - Unauthorized product
What to do
Do not inhale nitrous oxide products for recreational purposes. Seek immediate medical attention from a health care professional (physician, nurse, pharmacist, Canadian Poison Centre) if you have used nitrous oxide recreationally or for medical purposes and have experienced any side effects. For Poison Centre access you can contact 1-844 POISON-X, in Quebec 1-800-463-5060, or contact your local poison centre directly. Health Canada has also published information about stopping substance use . Report any health product-related side effects or complaints to Health Canada.
Product
Product name
Various nitrous oxide products
Reference
ID
RA-77567