Thanks for your query.
Arythromycin is helpful in treating infections caused by chlamydia yeast and for gonococcal infections. But if you have uncomplicated cystitis, it can be better treated with bactrim, augmentin and ciprofloxacin. But it is always recommended to consult with your doctor before taking any medicine. Moreover, treatment should be done only in the presence of infection. A urinalysis and consulting with doctor will help you the very best.