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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Rapid Heart Rate While On Antibiotics?

I ve taken Azthromycin oral pills 3x weekly for 10 years after lung transplant, as well as Bactria 3x weekly. Bactria mwf am, azthromycin mwf pm. I ve experienced rapid heartbeat for a few months, usually at days end. Last week after having diarrhea for several days, Dr advised Imodium, which I did for several days. Diarrhea subsided, then two days later I passed a lot of blood with first bm of the day. Went to ER, and was admitted to hospital, where as I continued to pass a lot of blood. No cause was found, and neither the cause of severe chest pain, rapid heartbeat. I m now home, but am concerned about this medication being the culprit. What s your opinion. Thanks Shoot! Now I m ask to sign up and pay! Nope, can t do. :(
Sat, 25 Aug 2018
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Cardiologist,  's  Response
Hello!

And would explain that tachycardia is not a common adverse effect of Azythromicin, but you should know that it can lead to diarrhea and electrolyte imbalances, which may trigger tachycardia.

For this reason, I would recommend checking regularly your blood electrolytes for any possible imbalances and complete blood count for anemia.

A cardiac ultrasound and an ambulatory 24-48 hours ECG monitoring would help exclude any cardiac arrhythmia.

You should discuss with your doctor on the above tests.

Hope I have answered your query. Let me know if I can assist you further.
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What Causes Rapid Heart Rate While On Antibiotics?

Hello! And would explain that tachycardia is not a common adverse effect of Azythromicin, but you should know that it can lead to diarrhea and electrolyte imbalances, which may trigger tachycardia. For this reason, I would recommend checking regularly your blood electrolytes for any possible imbalances and complete blood count for anemia. A cardiac ultrasound and an ambulatory 24-48 hours ECG monitoring would help exclude any cardiac arrhythmia. You should discuss with your doctor on the above tests. Hope I have answered your query. Let me know if I can assist you further.