This guide was written and compiled by Simon Collins for HIV i-Base.

Thanks to the advisory group of HIV positive people and healthcare professionals for comments and to MAC AIDS FUND for funding this publication.

Additional thanks to Dr David Asboe (Chelsea and Westminster Hospital), Dr Saye Khoo (Liverpool University), Dr Chlöe Orkin (St Barts) and Dr Tristan Barber (Royal Free).

Disclaimer: Information in this booklet is not intended to replace information from your doctor. Treatment decisions should always be taken in consultation with your doctor.

Last updated: 1 August 2021.