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Last updated : February 22, 2018
Mephedrone (4-methylmethcathinone) is a stimulant drug, which means it speeds up the messages travelling between the brain and body.1 Mephedrone is classed among new psychoactive substances (NPS), a range of drugs that have been designed to produce effects similar to those of established illicit drugs.
It was originally marketed online as a plant fertiliser or ‘research chemical’.1
Mephedrone comes in different forms, including:
Meph, meow, meow-meow, m-cat, plant food, drone, bubbles, kitty cat.1
Mephedrone powder is usually sniffed/snorted or swallowed.2
Swallowing is the most common way of taking the drug. It is usually mixed with liquid to drink or wrapped in a cigarette paper (known as ‘bombing’).2
There are also reports of people injecting the drug.3
There is no safe level of drug use. Use of any drug always carries some risk. It’s important to be careful when taking any type of drug.
Mephedrone affects everyone differently, based on:
The following effects may be experienced and may last for 2-4 hours:
Mephedrone has been linked to some deaths in the United Kingdom and other parts of Europe.
Injecting mephedrone can cause soft tissue and vascular damage.4
Sharing needles may also transmit:
If a large amount of mephedrone is consumed, it could cause an overdose. If any of the following effects are experienced, an ambulance should be called immediately by dialling triple zero (000).
In the days after mephedrone use, the following may be experienced:
Regular use of mephedrone may eventually cause:
The effects of taking mephedrone with other drugs – including over-the-counter or prescribed medications – can be unpredictable and dangerous. The following combinations could have the following effects:
Giving up mephedrone after using it for a long time can be challenging because the body has to get used to functioning normally without it.
Reported symptoms include:
If your use of mephedrone is affecting your health, family, relationships, work, school, financial or other life situations, you can seek help and support.
anxiety, blurred vision, convulsions, dilated pupils, distorted sense of time, dizziness, dry mouth, fast heart rate, feeling energetic, feeling happy, high blood pressure, increased sweating, irregular heart beat, jaw clenching, memory loss, nausea, paranoia, pleasure rush, reduced appetite, skin rashes, stomach pains, tremors, vomiting.