Medical uses. Erythromycin can be used to treat bacteria responsible for causing infections of the skin and upper respiratory tract, including Streptococcus, Staphylococcus, Haemophilus and Corynebacterium genera. Granules and ready-made suspensions are intended primarily for pediatric use but can also be used in adults. E.E.S. 400 film-coated tablets: Each tablet contains erythromycin ethylsuccinate Erythromycin Ethylsuccinate is the ethylsuccinate salt form of erythromycin, a broad-spectrum, topical macrolide antibiotic with antibacterial activity. Erythromycin Base Filmtab (erythromycin) is macrolide antibiotic used to treat people that are infected with organisms susceptible to erythromycin. ERYTHROMYCIN Base Filmtab® (erythromycin) Tablets, USP. To reduce the development of drug-resistant bacteria and maintain the effectiveness of Erythromycin Base Filmtab tablets and other antibacterial drugs, Erythromycin Base Filmtab tablets would be used only to treat or prevent infections that are proven or strongly suspected to be caused. Erythromycin topical is an antibiotic that fights skin infection caused by bacteria. Erythromycin topical (for the skin) is used to treat bacterial infections such as severe acne. Several bacterial infections can be treated or prevented with erythromycin, such as pneumonia, chlamydia, and acne. Off-label uses for erythromycin include treating diabetic gastroparesis. Erythromycin reference guide for safe and effective use from the American Society of Health-System Pharmacists (AHFS DI). Erythromycin is an antibiotic. It's widely used to treat chest infections, such as pneumonia, skin problems, such as acne and rosacea, dental abscesses, and sexually transmitted infections. Uses. Erythromycin is used to treat a wide variety of bacterial infections. It may also be used to prevent certain bacterial infections. Erythromycin is known as a macrolide antibiotic.