Mcat/Mkat, Meow, Meph, Bubble, Drone

Class B

Around £15-£25 per gram


  • Mephedrone was one of the first “popular” legal highs.
  • Mephedrone is a very powerful stimulant drug sharing a lot of similarities to amphetamine.
  • At its peak of use it was the 4th most popular drug of choice amongst clubbers.
  • Mephedrone is generally sold as white powder.
  • It was banned for sale in the UK in 2010.
  • Persistent snorting of mephedrone can cause severe damage to the inside of your nose resulting in nose bleeds and pain in the area surrounding your nose.
  • The “come down” following the high can include loss of appetite, feeling tired and irritable, aching muscles and depression.
  • Long term use of mephedrone can result in psychotic episodes or mental breakdown.
  • As mephedrone is a strong stimulant drug it can cause heart palpitations, irregular heart beats and severe head aches.
  • Mephedrone use has been linked to decreased memory function and mental capacity.
  • Mephedrone can clot veins up over 100% quicker than any other drug and should not be injected if at all possible.
  • Mephedrone should not be mixed with other substances.
  • Mephedrone users should limit the amount they take.
  • You may experience feelings of anxiety and paranoia; it is important to ensure that you are in a safe and comfortable environment when you take the drug.
  • You should try a small amount and wait for the effects to kick in before taking more (this can take a while).
  • Bank notes should be avoided for snorting due to the risk of passing blood-borne viruses like Hepatitis B.
  • Mephedrone should be avoided if there is a history of heart problems.
  • Mephedrone should be avoided if there is a history of mental health problems.
  • The long-term effects of mephedrone are still fairly unknown as it is a new drug.
  • If uncomfortable effects are felt, medical help should be sought immediately.