F16: Mental and behavioural disorders due to use of hallucinogens
F16.9: Mental and behavioural disorders due to use of hallucinogens : unspecified mental and behavioural disorder
Hallucinogens are substances that can affect things like your thinking, feelings and your own perception. LSD is an example of a hallucinogen. However, hallucinogens are also found in some fungi or plants such as angel trumpets.
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