skip to main content

brainstorm askiatroX medicines

simulations beta

loading page…

learn & practise

exams international doctors free questions Socratic Tutor rounds stat clinical connections academy journal tool guides

clinical reference

askiatroX knowledge centre medicines UK / NICE guidance international guidance calculators q&a library

trust & support

how it works methodology account & support frequently asked questions about us clinical safety consultancy

legal

mobile app · scan to download

Medicines methoxsalenQuestion & answer

methoxsalen · Medicine question

Does methoxsalen interact with phenytoin?

iatroX medicinesPublished 21 August 2026Reviewed 21 August 2026

The answer

Answer

Yes. Phenytoin may accelerate methoxsalen metabolism and make photochemotherapy less effective, so the specialist must review this combination.

Sources for this answer

UVADEX 20 micrograms/ml Solution for Blood Fraction Modificationemc · SmPC Current selected SmPC · Version 3

Explore this learning need in CPDTake this topic to CPD, then choose your learning context and available question library.

The full medicine guide

methoxsalen

Read the wider context, including uses, precautions and the sources behind this medicine guide.

Read the methoxsalen guide

More questions about methoxsalen

What is methoxsalen used for in extracorporeal photopheresis?Is methoxsalen injected directly into my body?Can I take methoxsalen at home?Why must I wear sunglasses after methoxsalen photopheresis?Do I need to avoid sunlight after methoxsalen treatment?Can methoxsalen photopheresis be used for graft-versus-host disease?

More clinical questions?

Explore the tools and reference material available on iatroX.

Explore askiatroX