This document discusses macrolide antibiotics. It provides information on what macrolides are, how they work, common uses, dosages, side effects and precautions. Specifically, it notes that macrolides are bacteriostatic antibiotics that work by binding to the 50s ribosomal subunit and inhibiting bacterial protein synthesis. Common uses include as an alternative to penicillin for those with allergies, and for pneumonia, streptococcal infections, and more. Dosages and potential side effects such as hepatitis and allergic reactions are also summarized.