Mephedrone, also known as 4-methylmethcathinone (4-MMC), is more common in chemsex outside of Sweden. Chemically altered variants of 4-MMC (3-MMC, 3-CMC etc.) are becoming more common. The substance is also referred to as Meow Meow, M-Cat, Drone, or M. Mephedrone is a central stimulant with effects similar to amphetamine and MDMA (ecstasy) as it belongs to the same chemical class as these (cathinones). Mephedrone is an ‘upper’ often used for its euphoric and stimulating properties. There is a high risk of psychological dependence associated with mephedrone use. Many users experience strong cravings after taking mephedrone. Read more

Methamphetamine is often referred to as meth, tjack, tina, ice, crystal, and sometimes metatjack. Emojis on hookup apps can indicate that someone is interested in using methamphetamine in sexual contexts. Methamphetamine is a stimulant, and the high produces euphoric effects. Users may experience a significant increase in sexual desire. There is a high risk of addiction, which can lead to serious physical and mental health problems. Methamphetamine overdoses are usually not fatal but can be very unpleasant. Many who use methamphetamine in sexual contexts may do so in a controlled manner. It is important to be aware of the potential harmful consequences of its use and to know what steps can be taken to avoid them. Read more

Alkyl nitrites are a liquid substance used in recreational and sometimes medical contexts. The group of chemicals known as alkyl nitrites is more commonly referred to as poppers. Inhaling the vapors of the liquid produces a short-term high. Poppers have muscle-relaxing, pain-relieving, and sexually stimulating effects. If poppers are used regularly in conjunction with sex, it may become harder to enjoy sex without them. In this way, poppers can lead to psychological dependence. Read more

Amphetamine is a powerful central stimulant with effects similar to cocaine. Unlike cocaine, amphetamine is chemically synthesized. In Sweden, amphetamine is often referred to as tjack, speed, or uppåttjack. Users may experience increased confidence, sexual arousal, heightened sensory perceptions, and increased energy. Amphetamine is a chemical compound that can have both therapeutic and recreational uses; for example, it is medically used to treat ADHD and narcolepsy. The term 'Speed' usually refers to illegally produced central stimulant drugs, and speed is often a mixture of amphetamine and other substances, making it less pure and potentially more dangerous. Speed is an "upper" drug that provides rapid and intense stimulating effects. Speed has a high risk of addiction due to its powerful stimulating effects. Regular use can quickly lead to both physical and psychological dependence. Read more