What does “Flos” mean?

The pharmaceutical term for dried cannabis flower prepared as a medicine.

Flos in plain English

The pharmaceutical term for dried cannabis flower prepared as a medicine.

Flos is prepared, tested and packaged to pharmaceutical standards, with verified content and batch records — the practical difference from material obtained illicitly.

Where an inhaled route is clinically appropriate it is used with a vaporiser, not by smoking, because combustion produces harmful by-products with no therapeutic purpose.

Frequently asked questions

What does flos mean?

The pharmaceutical term for dried cannabis flower prepared as a medicine.

Sources and further reading

Every factual statement on this page is drawn from the following public sources. Links open in a new tab and are not affiliated with Flora House.

  1. NICE guideline NG144: Cannabis-based medicinal products
  2. NHS: Medical cannabis (and cannabis oils)
  3. MHRA: The supply, manufacture, importation and distribution of unlicensed cannabis-based products for medicinal use

Patient guide · Written by the Flora House editorial team · Last reviewed: 8 September 2026