If you actually had any experience with Azithromycin you would notice there is warning about the heart thing on/in the box! It is known and possible risk and if you google it gives you like millions of results. That's why even lyme clinics using long term azithromycin do ECG before and sometimes during treatment when it's long term. This is something patient and doctor should be at least aware of, so please don't confuse patients by denying the existence of the risk.
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