Azitromicina en infecciones respiratorias de vías bajas: una revisión Cochrane

http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD001954.pub4/abstract

Authors' conclusions

There is unclear evidence that azithromycin is superior to amoxycillin or amoxyclav in treating acute LRTI. In patients with acute bronchitis of a suspected bacterial cause, azithromycin tends to be more effective in terms of lower incidence of treatment failure and adverse events than amoxycillin or amoxyclav. However, most studies were of unclear methodological quality and had small sample sizes; future trials of high methodological quality and adequate sizes are needed.