Dosage for chronic bronchitis flare-ups The typical azithromycin dosage for adults with flare-ups of chronic bronchitis is 500 mg once per day for 3 days. Alternatively, your doctor may prescribe ...
and azithromycin 500 mg (of anhydrous azithromycin) p.o. twice daily. Group B patients received lansoprazole 30 mg p.o. twice daily and amoxicillin 1 g p.o. twice daily for two additional days.