Glossary term

Psychosis risk: Psychosis risk refers to the risk that a substance may contribute to symptoms such as hallucinations, delusional thinking or severe loss of contact with reality in some people.

EssentialSafetySource quality: HighLast updated: 29 June 2026

Why this term matters

This is an important harm discussion, especially with THC-containing products and relevant psychiatric histories.

UK medical cannabis context

NHS public guidance says there is evidence that regular cannabis use in some people can increase the risk of developing a psychotic illness such as schizophrenia.

What not to assume

It is a risk factor discussion, not a certainty statement.

Careful wording: Avoid minimising psychiatric history in assessment content.

Related glossary terms

Related MCPH pages

Sources and review notes

This entry is educational vocabulary, not medical advice. Suitability, prescribing, product choice and monitoring belong with a qualified clinician or pharmacist.