Azithromycin side effects mainly include dyspepsia, diarrhea, abdominal pain, nausea, vomiting, rash, anorexia, dizziness and headache or dyspnea. Azithromycin is an antimicrobial drug, which is mainly used to treat various inflammatory reactions such as acute pharyngitis, acute bronchitis and pneumonia caused by Streptococcus pyogenes, sensitive bacteria, Streptococcus pneumoniae and Haemophilus influenzae. However, some patients taking azithromycin may experience adverse reactions such as dyspepsia, diarrhea, abdominal pain, nausea, vomiting, rash, anorexia, dizziness, headache or dyspnea, etc. Meanwhile, azithromycin is mainly cleared by the liver, so patients with hepatic impairment should be cautious of using azithromycin. In addition, azithromycin is contraindicated in patients who are allergic to macrolides or ketolactones or with hepatic insufficiency. Therefore, if patients need to use Azithromycin for treatment, it is recommended to use it correctly and reasonably under the guidance of a professional physician, and do not use it blindly on your own.