Zithromax (azithromycin) is a broad-spectrum antibiotic that is commonly used to treat bacterial infections, including those caused by atypical bacteria such as Mycoplasma pneumoniae, Chlamydia pneumoniae, and Legionella pneumophila. Zithromax is effective against some atypicals, but not all. It is effective against Mycoplasma pneumoniae, which is an atypical bacteria that can cause pneumonia-like symptoms, including coughing, fever, and difficulty breathing. However, it is not effective against Chlamydia pneumoniae or Legionella pneumophila. If a doctor suspects an infection is caused by one of these atypical bacteria, they may prescribe another antibiotic that is specifically designed to target these bacteria.
In summary, Zithromax does cover some atypical bacteria, such as Mycoplasma pneumoniae, but not all. If a doctor suspects that an infection is caused by an atypical bacteria not covered by Zithromax, they may prescribe another antibiotic that is specifically designed to treat that bacteria.