Interaction Checker

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Website updates - February and March 2026

Tuesday 31 March 2026

The last two months have seen the addition of three new comedications, along with the updating of several prescribing resources to include the new additions and revisions to existing interactions.

New comedications
Berberine (Herbals/Supplements/Vitamins)
Deutivacaftor/Tezacaftor/Vanzacaftor (Cystic Fibrosis Agents)
Vonoprazan (Gastrointestinal Agents)

Revised interaction classifications (colour changes)
The following interactions with encorafenib have been updated due to a new study showing encorafenib to be a strong inducer of CYP3A4:
Green to Red - Doravirine, doravirine/lamivudine/tenofovir-DF, bictegravir/emtricitabine/tenofovir alafenamide, cabotegravir (oral), cabotegravir PrEP,
Yellow to Red - Rilpivirine (alone and in combinations), fostemsavir
Amber to Red - Lenacapavir (as ART and PrEP)
Green to Amber - Dolutegravir (alone and non-rilpivirine combinations), maraviroc

Updated Prescribing Resources
Treatment Selector for Diabetes Therapies
Interaction Summary Tables for PIs, NNRTIs, NRTIs, Integrase Inhibitors, Entry, Attachment & Capsid Inhibitors, and ARVs for PrEP

SUPPORTERS
EDITORIAL SUPPORTERS
Awards and commendations
bma-foundation-for-medical-research british-medical-journal-2018 queens_aniversary_prize_2017 rcp-excellence-patient-care-awards-2017
healthline-best-HIV-and-AIDS-apps-of-2019
building_better_healthcare_awards_2016 healthline-best-HIV-and-AIDS-apps-of-2016