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Medicines DoxycyclineQuestion & answer

Doxycycline · Medicine question

How can doxycycline affect ciclosporin blood levels?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Doxycycline may increase ciclosporin plasma concentrations, so co-administration should only be undertaken with appropriate monitoring.

Sources for this answer

Vibramycin-D Dispersible Tablets 100mgPfizer Limited · emc · SmPC §4.5 Interaction with other medicinal products · Version 13Document updated 17 October 2025

Sources checked 8 November 2026

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Doxycycline

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