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 foscarnet trisodium hexahydrateQuestion & answer

foscarnet trisodium hexahydrate · Medicine question

Can it lower calcium or magnesium?

iatroX medicinesPublished 20 August 2026Reviewed 20 August 2026

The answer

Answer

Yes. It can rapidly lower ionised calcium and magnesium, potentially causing tingling, cramps, seizures or heart-rhythm problems.

Sources for this answer

Foscavir 24 mg/ml Solution for Infusionemc · SmPC Current selected SmPC · Version 16

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

The full medicine guide

foscarnet trisodium hexahydrate

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

Read the foscarnet trisodium hexahydrate guide

More questions about foscarnet trisodium hexahydrate

Why is foscarnet used when aciclovir has not worked?Why are kidney tests needed?Why is hydration important?Can it cause genital sores?Why might it be unsuitable for someone limiting salt?

More clinical questions?

Explore the tools and reference material available on iatroX.

Explore askiatroX