There are many causes of cough, such as is caused by azithromycin-sensitive pathogens caused by a strong cough usually take azithromycin 3 to 5 days can be effective, but not for all people. If the cough is caused by other diseases taking azithromycin treatment is ineffective. Azithromycin is a macrolide antibiotic, commonly used in the treatment of community-acquired pneumonia caused by Mycoplasma pneumoniae, Chlamydia pneumoniae, Streptococcus pneumoniae infections, or acute exacerbation of chronic bronchitis caused by Haemophilus influenzae, Catamorchis sinensis infections, usually for a course of treatment of 3 to 5 days. For coughs resulting from the above, patients may see results with azithromycin for 3 to 5 days. It is contraindicated in patients with known hypersensitivity to azithromycin, erythromycin, other macrolides, or ketolactones. Contraindicated in patients with a history of cholestatic jaundice/hepatic insufficiency following previous use of azithromycin. Adverse reactions of diarrhea, nausea as well as abdominal pain may occur during the administration of Azithromycin. Cough can be caused by many diseases, when patients with recurrent cough symptoms should seek medical attention to clarify the cause of the disease, under the guidance of a professional physician to treat the cause of the cough to stop the best results.