It is used to treat infections of the sinuses, skin, lungs, ears, airways, bones, and joints caused by susceptible bacteria. It is frequently used to treat urinary infections, including those resistant to other antibiotics, as well as prostatitis (infection of the prostate).
It should be used with caution in patients with Renal impairment, G6PD deficiency, porphyria. Risk of pseudomembranous colitis; consider if patient has persistent diarrhoea (discontinue).