Antibiotics / fluids. The usual treatment for a bladder infection is antibiotics (most often oral) and increased oral fluid intake. A urine culture is often obtained before initiating antibiotics. When the culture result is available, it can confirm the infection and confirm that the antibiotic prescribed is appropriate - or guide the change to an effective antibiotic for the particular bacteria causing the infection.
Antibiotics. The recommended medications for cystitis (bladder infection) include macrobid, septra, and cipro (ciprofloxacin). Some patients have success with acidifying their urine by drinking cranberry juice. If you get repeated, frequent bladder infections you may need to be evaluated by a urologist to see if there is any underlying contributing problem.