Zithromax is also called azithromycin dry suspension, the normal dose of each bag is 0.25g, adults can take two bags each time that is 0.5g, once a day to take a total dose of 1.5g, it is recommended that patients take it after meals, because Zithromax belongs to macrolide antibiotics, for the patient’s stomach may have a certain stimulating effect, when serious, it will lead to diarrhea, stomach pain, nausea The patient must also pay attention to the fact that after three days of taking the drug, the patient needs to stop taking it for one day and then take it orally for another three days. The patient should not drink alcohol and eat easily digestible food during the medication period. Azithromycin is widely used clinically in patients with upper respiratory tract infections, patients can selectively apply it, if they are allergic to cephalosporin or penicillin, they may wish to apply Zithromax.