
The person may grind their teeth or sweat excessively. They may have increased sex drive, itching and scratching, enlarged pupils, fast heartbeat or dry mouth. Ice produces an intense rush that can make a person feel confident and energetic. It is also known as crystal meth, shabu, crystal, glass, Tina and shard. It can be injected, smoked, snorted or swallowed. It comes as little crystals that look like ice, or as a white-to-brownish, crystal-like powder. It is purer and more powerful than other types of methamphetamine, such as speed.

It causes high levels of dopamine (a brain chemical associated with pleasure and reward) to be released.

Ice is a central nervous system stimulant. It is very addictive and is linked to chronic physical and mental health problems. Ice (crystal meth) is a methamphetamine, a member of the amphetamine family of drugs.

