Herbalism · definition
An interaction in which an herb or botanical product changes, adds to, or interferes with the effects of a medication.
How the term is used
Interactions can involve absorption, metabolism, bleeding risk, sedation, blood pressure, blood sugar, or other mechanisms depending on the substances involved.
Why it matters
It is one of the most important safety concepts in herbal education.
Where this fits in a practice
The guides explain the idea in context; the service pathways are there when reading is not enough. Educational content only — nothing here is medical or mental-health care.