Interaction Checker

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2026

PrEP Website Represented at PK Workshop 2026

First-year PhD student and editorial assistant Daniel Seddon has been in Montreal this week, presenting his research on the readability of the PrEP Drug Interaction Checker at the 27th International Workshop on Clinical ...

Added: Thursday 03 September 2026

New medicine: DoxyPEP

We have added a new medicine to the PrEP interaction checker: Doxycycline for PEP (Post Exposure Prophylaxis), commonly known as DoxyPEP.

Doxycycline isn't used for PrEP (taken before sex to prevent acquiring HIV), but is taken after sex like a morning-after pill, to reduce your risk of catching syphilis and chlamydia. You can find out more about DoxyPEP from QueerHealth

Added: Friday 05 June 2026

Welcome to the new PrEP Drug Interactions website from the Liverpool Drug Interactions Group!

Welcome to PrEP Drug Interactions!

This new website allows you to check if your PrEP medicines might interfere with the way other medicines work (or if other medicines may affect how your PrEP medicine works) - you can access the PrEP Checker here. 

We use a traffic light system to he...

Added: Friday 24 April 2026
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