Class Ia Antiarrhythmics Interactions

Proarrhythmic effect may be enhanced. Avoid concomitant use.

Source: NLP:moxifloxacin hydrochloride

Moxifloxacin may enhance proarrhythmic effect. Avoid concomitant use.

Source: NLP:moxifloxacin hydrochloride tablets, 400 mg

Quinine sulfate prolongs QT interval; concomitant use may cause ECG abnormalities including QT prolongation and Torsades de Pointes.

Source: NLP:quinine sulfate

Co-administration may increase risk for ventricular arrhythmia due to QT prolongation. Avoid co-administration.

Source: NLP:fosfomycin disodium

May enhance proarrhythmic effects. Avoid concomitant use.

Source: NLP:moxifloxacin