Antibiotics such as roxithromycin can often be prescribed for several different infections, including some STDs, upper and lower respiratory tract infections and asthma, gum infections like gingivitis, urinary and soft tissue infections, and bacterial infections associated with stomach and intestinal ulcers.

Roxithromycin is very similar in composition, chemical structure (semi-synthetic) and mechanism of action to erythromycin, azithromycin, or clarithromycin.  It containing the same 14-membered lactone ring with the addition of an N-oxime side chain.

Mechanism of Action:

Roxithromycin prevents bacteria from growing, by interfering with their protein synthesis. Roxithromycin binds to the subunit 50S of the bacterial ribosome, and thus inhibits the translocation of peptides. Roxithromycin has similar antimicrobial spectrum as erythromycin, but is more effective against certain gram-negative bacteria, particularly Legionella pneumophila.

 

FDA Information

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In case of an emergency/overdose