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Methamphetamine Category: Stimulants

Also called: crystal meth, ice, glass, tina, christal, cristy, yaba, chalk, crank, zip, meth.

How it’s used

Methamphetamine is a central nervous system stimulant (‘upper’), similar to speed. It is white, odourless and bitter tasting and comes as rocks, crystals or tablets, which you can dissolve in water or alcohol. You can smoke, inject, snort or swallow it.

Short-term effects

Long-term effects

Other dangers

If you are pregnant

Do not use if you are pregnant as we don’t know enough about the risks to your baby.


You can become psychologically and physically addicted, so your body craves it and you feel you can’t cope without it. You can build tolerance so you need to take more to get the same buzz.


Withdrawals include depression, anxiety and craving for the drug.

How long does it stay in your system?

Meth will show up in a urine test for 2-3 days. (The length of time depends on the test used, the amount you take, if you have other medical conditions and your own metabolism. Please use this figure as a guide only)

What help is available?

« Back to Types of Drugs page
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Find a local service that can help

The HSE and Union of Students in Ireland (USI) ask students to think about drug safety measures when using club drugs
Harm reduction messages from the #SaferStudentNights campaign.
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