You might know it as ice - or perhaps as crystal methamphetamine, tina, crystal meths, krank or tweak.
It's been called an epidemic, a 21st century scourge and pure evil.
Has ice impacted on your family? Are you a reformed user? Maybe you're a health professional dealing with the ramifications or perhaps you're a parent who has lost a child because of drug use.
We would like to hear from you - your experience in your own words.
Anonymous submissions will be considered but for verification purposes we would need a contact phone number. All details would be kept confidential.