Azithromycin and long QT syndrome: Facts from a cardiologist
Text message: “John, This cough and congestion is killing me. It’s turning thick and green. Can you write me a Z-pak? It always works for me.”
If you write a blog on medical decision-making and heart rhythm matters, it seems an incredible omission not to opine on the FDA warning concerning the commonly used antibiotic azithromycin (the drug in a Z-pak). Quoting directly from the FDA warning:
[Azithromycin] can cause …
Azithromycin and long QT syndrome: Facts from a cardiologist






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