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 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 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. Erythromycin belongs to the class of medicines known as macrolide antibiotics. It works by killing bacteria or preventing their growth. However, this medicine will not work for colds, flu, or other virus infections. This medicine is to be given only by or under the direct supervision of a doctor. 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. Find out how erythromycin treats chest and skin infections, ear infections and sexually transmitted infections (STIs), and how to take it. NHS medicines information on erythromycin – what it's used for, side effects, dosage and who can take it. 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. Erythromycin is an antibiotic that fights bacteria. Erythromycin ophthalmic (for the eyes) is used to treat bacterial infections of the eyes. Erythromycin ophthalmic may also be used for purposes not listed in this medication guide. Erythromycin is a macrolide antibiotic used to treat bacterial infections. Includes erythromycin side effects, interactions and indications. Learn about the side effects of erythromycin, a macrolide antibiotic. We’ll talk about common, rare, and long-term reactions, and how to manage them.