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A member asked:
Clarithromycin says use in caution with bradycardia? at night my heart rate goes to 46 sleeping. so i cant take it due to qtc side effect?
A doctor has provided 1 answer
Extremely rare: The macrolide antibiotics (clarithromycin, azithromycin, others) can prolong the QTc interval on EKG, possibly raising risk of serious cardiac arrhythmia. However, actual arrthythmias are rare and research shows no actual increased sudden death rate in people on these drugs for short periods, e.g. 1-2 weeks. If concerned, discuss with the doc prescribing the clarithromycin or a cardiologist.
Answered 6/15/2019
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