Mephedrone Continues to Be a Problem as Other Versions Appear on the Streets

Mephedrone Meow Meow addiction is related to the drug called Meow Meow, and also known as Mcat amongst other names, which initially appeared in the UK as a drug labelled as a ‘legal high’.  A derivative of a compound called cathinone and extracted from a plant called khat, it was made illegal, along with all compounds derived from cathinone.

What Is Mephedrone?

Chemically, mephedrone is called 4-methylcathinone, synthesised from cathinone in a laboratory. Other related compounds are also sold as illegal drugs under the same street names, including mephedrone and methylone. These are chemically different, but being in the same family of compounds have similar effects when taken.

Mephedrone and its relatives have been described as having a similar effect to amphetamines, ecstasy, and cocaine, making users feel more alert and more confident. Users also tend to become very chatty and may feel more affectionate towards those around them.

These drugs are relatively new to the drugs scene, and so not much is known about their long-term effects. There is evidence that these drugs are addictive, and that withdrawal symptoms are experienced after long term use. Mephedrone has been implicated in several deaths; in some cases, it was the only drug present in the victims’ system.

How Widely Used Is Mephedrone?

Mephedrone is less widely reported than the ‘big name’ drugs like cocaine, amphetamine, and heroin; however, this does not mean that it is not widely available. It is a relatively recent addition to the drug dealers’ arsenal of substances, and so may not have such a wide distribution. Nevertheless, there is evidence that the market for this drug is growing.

A man was recently sentenced in Glasgow at the Sherriff Court for the possession of over seven kilogrammes of chloromethcathinone, another relative of mephedrone which is sold under the same street names. Police had been given information that Craig Hamilton was in possession of drugs, and after staking out his flat in Renfrew, he was arrested, and his flat was searched. They found several packages of white powder, which when tested was found to contain the chloromethcathinone. They also found items related to drug dealing – scales, face masks and a heat sealing press (for packaging the drugs). Hamilton’s lawyer claimed that he had only allowed dealers to use his flat for the storage of drugs in order to pay off his own drug debts of £800. However, he continued to deal after effectively paying off his debt, and the Sherriff said that he could ‘expect a custodial sentence’ when he appears for sentencing next month.

The large amount of the drug being held in Hamilton’s flat does suggest that mephedrone, and similar compounds, are widely available, as it seems to be worth the effort of drug dealers to have substantial amounts of them in stock

What Are the Side Effects of Mephedrone?

As mentioned earlier, there is not a lot of clinical data on the effects of these drugs. There is little funding available for research into illegal drugs, and as these drugs were never intended for medical use, and were first seen relatively recently, no research has been carried out, and we need to rely on the reports of users for the effects.

Reported side effects include painful nostrils and airways after ‘snorting’ the drug, sometimes accompanied by cuts or chemical burns. Some users choose to swallow the drug rather than inhaling it to try and avoid this.

Like other stimulant drugs, these chemicals have an effect on the heart and can cause irregular heartbeats, palpitations, and an overly rapid heartbeat. Other reported effects include raised body temperature, blurry vision, and tension in the muscles – especially the facial muscles. Some users have said that their fingers became bluish in colour after using the drug, suggesting that there may be a reduction in circulation to the extremities. Nausea and vomiting have been reported, especially if the drugs were taken along with alcohol or other drugs.

Many users have said that they found it difficult to stop taking mephedrone once they had started, leading to repeated doses being taken in one ‘session’. This repeated use resulted in further side effects including muscle spasms, insomnia, and hallucinations. Repeated doses within a short space of time like this obviously also increase the risk of overdose.

I Am Having Problems with Mephedrone – Where Can I Find Help?

Mephedrone is a very risky drug, particularly as we do not really know what its long-term effects on the body could be. If you have become addicted to mephedrone, then we can help you. Our advisors are available twenty-four hours a day and can offer you free advice on what help is available to you. For more information, and to start your journey to recovery, contact us now.


  1. (Glasgow Live) Man caught with up to £107,000 worth of so-called ‘legal high’
  2. (Drugwise) Mephedrone, methedrone, methadrone and methylone
  3. (Know the Source) About Mephedrone
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