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Medicines propafenone hydrochlorideQuestion & answer

propafenone hydrochloride · Medicine question

Why must ritonavir be avoided with propafenone hydrochloride?

iatroX medicinesPublished 21 August 2026Reviewed 21 August 2026

The answer

Answer

Ritonavir can substantially increase propafenone concentrations, creating a risk of serious cardiac adverse effects; combined use is contraindicated.

Sources for this answer

Arythmol 150mg Tabletsemc · SmPC Current selected SmPC · Version 24
UK GovernmentUK Government · Reputable Web

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