NHS information about the medicine erythromycin, including what it's used for, who can take it, how to take it and side effects. Erythromycin is a macrolide antibiotic used to treat bacterial infections. Includes erythromycin side effects, interactions and indications. Erythromycin is used to prevent and treat infections in many different parts of the body, including respiratory tract infections, skin infections, diphtheria, intestinal amebiasis, acute pelvic inflammatory disease, Legionnaire's disease, pertussis, and syphilis. Erythromycin is used in combating respiratory infections like community-acquired pneumonia, Legionnaires disease, and more. Know about its uses, side effects, dosage, precautions, and more. Erythromycin (sometimes abbreviated ETM in reports) [3] is an antibiotic used for the treatment of a number of bacterial infections. [1] This includes respiratory tract infections, skin infections, chlamydia infections, pelvic inflammatory disease, and syphilis. [1] Erythromycin is an antibiotic that is commonly used for the following infections caused by certain bacteria. Erythromycin is also commonly used to prevent certain bacterial infections, such as. Learn about the side effects of erythromycin, from common to rare, for consumers and healthcare professionals. Erythromycin is an antibiotic prescribed to treat a variety of infections. The most frequent side effects of erythromycin are nausea, vomiting, loss of appetite, diarrhea, and abdominal pain. View erythromycin information, including dose, uses, side-effects, renal impairment, pregnancy, breast feeding, important safety information and directions for administration. Erythromycin is used to treat certain infection caused by bacteria including infections of the ears, lungs, sinuses, skin, throat, and reproductive organs. Erythromycin is in a class of medications called macrolide antibiotics. It works by stopping the growth of bacteria.