Alkyl nitrates include amyl nitrite, butyl nitrite and isobutyl nitrite.
They come as a clear or straw-coloured liquid in a small bottle or tube (and used to be sold in glass capsules which made a popping noise when opened – leading to the name the name poppers.)

The vapour is inhaled through the mouth or nose.

Also known as:



Feelings of:
Effects are instantaneous and brief, but intense.



This is known as a head rush.

Some users may also experience the impression of time slowing down.

The effects fade two to five minutes after use.

Users are often left with a headache.


Amyl nitrite can only be issued by pharmacies under the Medicines Act. Possession is legal, but supply can be an offence.



Regular use can cause skin problems around the mouth and nose.

If spilled, poppers can burn the skin.

Alkyl nitrites reduce blood pressure.


Poppers can be fatal if swallowed.

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