What is the difference between erythromycin A and B?
•
5 min read
Erythromycin A, the primary and most potent component of standard erythromycin formulations, differs from its co-metabolite, erythromycin B, by a single hydroxyl group. This seemingly minor structural variation has significant consequences for their chemical properties, antibacterial activity, and clinical applications, including the superior acid stability of erythromycin B.
