The prescription antibiotic Zithromax is used for any of the treatment of various common infections, which can include bacterial infections and std's. By decreasing bacteria's ability to help with making protein and affecting peptide activity, the medicine could actually help stop bacteria from continuing to live a life and cause infection by the body processes. Zithromax will come in either tablet form or for being a liquid suspension it really is licensed to get used in both children and adults.