<p>Erythromycin is a bacteriostatic antibiotic drug produced by a strain of Saccharopolyspora erythraea (formerly Streptomyces erythraeus) and belongs to the macrolide group of antibiotics which consists of <a href="https://go.drugbank.com/drugs/DB00207">Azithromycin</a>, <a href="https://go.drugbank.com/drugs/DB01211">Clarithromycin</a>, <a href="https://go.drugbank.com/drugs/DB06145">Spiramycin</a> and others. It was originally discovered in 1952.<sup class="text-reference-group"><a class="reference-popover-link" data-content="NIH StatPearls: Erythromycin" href="#reference-L5245">20</a></sup> Erythromycin is widely used for treating a variety of infections, including those caused by gram-positive and gram-negative bacteria.<sup class="text-reference-group"><a class="reference-popover-link" data-content="NIH StatPearls: Erythromycin" href="#reference-L5245">20</a>,<a class="reference-popover-link" data-content="FDA Approved Drug Products: Ery-Ped (erythromycin ethylsuccinate) granules for oral suspension" href="#reference-L7261">21</a></sup> It is available for administration in various forms, including intravenous, topical, and eye drop preparations.<sup class="text-reference-group"><a class="reference-popover-link" data-content="NIH StatPearls: Erythromycin" href="#reference-L5245">20</a></sup></p>