Zithromax refers to azithromycin, try not to take azithromycin half an hour after drinking milk. Azithromycin belongs to the class of macrolide antibiotics, against acute pharyngitis and acute tonsillitis caused by Streptococcus pyogenes, and a variety of diseases caused by Chlamydia and Chlamydia have a very good effect. In general, azithromycin should be taken one hour before or two hours after meals, and should not be taken at the same time as antacids containing magnesium and aluminum. Because azithromycin, an antibiotic, is easily affected by stomach contents, which leads to reduced absorption affecting the efficacy, azithromycin is usually applied on an empty stomach. Azithromycin should be applied under the guidance of a doctor, to comply with the doctor’s instructions, to avoid unauthorized use of medication to cause adverse consequences.