Comes in a bottle or in small glass 'vials' which are popped open. Poppers are commonly sold in clubs, joke and sex shops. They are often used to heighten sexual arousal. The effects are immediate, within 30-40 seconds, but last only a few minutes. Face flushes, head and neck perspire.
Blood pressure is reduced and heart rate accelerates which produces a rushing sensation.
The reduction in blood pressure can result in loss of balance and fainting, especially if people are involved in physical activity like dancing. The likelihood of accidents is increased and people with heart or blood pressure are more at risk. Poppers increase pressure within the eyeball and should not be used by anyone with glaucoma. Regular use can also lead to problems around the nose and mouth. Swallowing a large quantity can lead to unconsciousness.