Methenamine is a urinary antiinfective medicine. Methenamine fights bacteria in the urine and bladder. Methenamine may be used to treat and prevent urinary tract infections. Methenamine may also be used for purposes other than those listed here.
Hiprex is a urinary antibiotic used for treating urinary tract infections. It used as a bacteria inhibitor in the urinary track. Hiprex works by concentrating in the urine as formaldehyde, hence killing the bacteria in the urine. Hiprex is also used for preventing urinary tract infections. Unnecessary use of the drug can make it ineffective.