This report finds that use of mephedrone, a synthetic stimulant, has increased in recent years, particularly in the UK, Europe and Australia.

The report also finds that:

• One-fifth (21%) of the 2010 national regular ecstasy user sample reported lifetime use of mephedrone and 17% reported use of mephedrone in the six months preceding the interview.

• Mephedrone was typically swallowed or snorted on a median frequency of 3 days or approximately once every two months.

• Use of mephedrone was most common in particular jurisdictions such as Tasmania (47%) and Victoria (28%) followed