F15: Mental and behavioural disorders due to use of other stimulants, including caffeine

F15.8: Mental and behavioural disorders due to use of other stimulants, including caffeine : other mental and behavioural disorders

Stimulants are substances that have a stimulating effect on the body. Caffeine is one such substance, for example. Things like coffee contain caffeine. But amphetamines are also stimulants. They are found in some medicines or drugs. Amphetamines include, for example, crystal meth and MDMA. Ecstasy may contain MDMA.