Fosirol is used for Bacterial infections of urinary tract. Know it’s uses, side effects, reviews, composition and precautions only on 1mg . FOSIROL SACHET contains Fosfomycin, which belongs to the group of medicines called Antibiotics. It is used to manage or manage uncomplicated infections of the bladder in women and female adolescents. It is also used as an antibiotic prophylaxis for transrectal prostate biopsy in men. Composition: Each sachet contains: Fosfomycin Trometamol BP equivalent to Fosfomycin 3.0 gm Excipients q.s. This product will have minimum 6 months’ expiry at the time of order dispatch. Fosirol Powder belongs to a group of medicines known as antibiotics. It works by killing bacteria, which can cause infections. This medicine is used to treat or prevent infections of the urinary tract. It helps to improve your symptoms and cure the infection.