Recent Examples on the Web. All of them were resistant to at least seven antibiotics (azithromycin, ciprofloxacin, clindamycin, erythromycin, nalidixic acid, telithromycin, and tetracycline). Erythromycin comes as a capsule, tablet, delayed-release (releases the medication in the intestine to prevent break-down of the medication by stomach acids) capsule, delayed-release tablet, and a suspension (liquid), to take by mouth. Erythromycin definition, an antibiotic, C37H67NO13, produced by an actinomycete, Streptomyces erythraeus, used chiefly in the treatment of diseases caused by many Gram-positive and some Gram-negative organisms. See more. Erythromycin Base Filmtab (erythromycin) is macrolide antibiotic used to treat people that are infected with organisms susceptible to erythromycin. Advice for mothers using Erythromycin while breastfeeding. Includes possible effects on breastfed infants and lactation. Erythromycin Ethylsuccinate is the ethylsuccinate salt form of erythromycin, a broad-spectrum, topical macrolide antibiotic with antibacterial activity. Erythromycin wird überwiegend biliär mit einer Halbwertzeit von 1,5 bis 2,5 Stunden ausgeschieden. Daher ist Verabreichung im etwa 6-stündlichen Rhythmus angezeigt. Find patient medical information for Erythromycin Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. 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 belongs to 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.