Azithromycin doesn’t seem to increase the risk of ventricular arrhythmia

Cohort study: Use of azithromycin and risk of ventricular arrhythmia – Canadian Medical Association Journal (free)

Source: No Major Azithromycin Arrhythmia Risk in Huge European Cohort – Medscape (free registration required)

Contradicting a previous study (free) and a 2013 safety warning from the US Food and Drug Administration (free), this large cohort did not show an association between azithromycin and ventricular arrhythmia when compared to amoxicillin.