What is erythromycin?
Erythromycin belongs in a group of drugs called macrolide antibiotics. Macrolide antibiotics slow the growth of, or sometimes kill, sensitive bacteria by reducing the production of important proteins needed by the bacteria to survive.
Erythromycin is used to treat or prevent many different types of infections caused by bacteria.
Erythromycin may also be used for purposes not listed in this medication guide.