what is nitrus oxide used for and why is it sold at tobaccanists

Nitrous oxide, often called “laughing gas,” is used mainly for medical sedation and pain relief , especially in dentistry and short procedures, and it also has industrial uses like whipped-cream chargers and some engine applications. It’s sold at tobacconists because small canisters are a retail product in some places, and that availability has also made it associated with recreational use, which can be harmful.

Why it’s used

• In medicine, it helps patients relax and reduces pain during brief procedures.

• In food service, it’s used as a propellant for whipped cream and other aerosol products.

• In industry, it has specialized uses such as automotive applications.

Why tobacconists sell it

• Tobacconists often sell small consumer goods and accessories, including nitrous oxide chargers in some markets.

• The sale is controversial because the gas can be misused for a short-lived high, and repeated use can cause serious health problems.

Safety note

Nitrous oxide is not harmless: inhaling it can cause oxygen deprivation and, with repeated use, nerve and brain-related harm.

TL;DR: it’s a legitimate medical and food-industry gas, but it shows up in tobacconists because the small cartridges are sold as consumer products, even though misuse is a real concern.