Fosirol may be taken with or without food. Fosirol should not be taken in its dry form. Always mix Fosirol with water before ingesting. Preparation: Pour the entire contents of a single-dose sachet of Fosirol into 3 to 4 ounces of water (½ cup) and stir to dissolve. Do not use hot water. Fosirol should be taken immediately after dissolving in ... 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. Fosirol Powder 8 gm is used to treat or prevent bladder infections. It contains Fosfomycin, which decreases the attachment of bacteria to cells lining the urinary bladder, thereby preventing bladder infection. Fosirol is used for Bacterial infections of urinary tract. Know it’s uses, side effects, reviews, composition and precautions only on 1mg .