Guide
Thinking about treatment?
Treatment is never the first step. Check your eligibility, then a UK-registered prescriber decides what, if anything, is suitable.
Check your eligibilityCommon questions
Dr
Medically reviewed by a GMC-registered doctor
Educational content. Prescribing by UK-registered prescribers, dispensing by a GPhC-registered pharmacy.
Page last reviewed: June 2026 · Next review: June 2027
This guide is general information to help you understand the options. It is not medical advice and is not an advertisement to buy a specific medicine. A UK-registered prescriber decides what, if anything, is appropriate after a full assessment.