Erythromycin is a commonly used antibiotic, but new research suggests it could be dangerous when used in combination with other drugs. The study shows patients should not be given erythromycin along with antifungal agents such as diltiazem, verapamil and troleandomycin because it increases the risk of sudden death.
Researchers conducted the study to determine if there is any association between the use of erythromycin and sudden cardiac death. Researchers used information on 1,476 cases of confirmed sudden death due to cardiac causes. They looked at what medications the patients were on including the drugs erythromycin or amoxicillin. Amoxicillin is another commonly used antibiotic, but does not have the same effect on the heart as erythromycin.
AdvertisementThe rate of sudden death from cardiac causes among patients on erythromycin was twice as high compared to those who had not used any antibiotics. The research also shows the rate of sudden death from cardiac causes was five-times as high among patients on erythromycin and a CYP3A inhibitor however there was no increased risk of death among patients on amoxicillin.
Thus researchers say the combination use of these drugs should be avoided and researchers say there are alternative drugs that doctors can prescribe without putting patients at a higher risk for sudden death.
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