what is flomax for?
Flomax is a prescription medication that is used to treat an enlarged prostate. Advertisement. FlomaxÂ® (tamsulosin hydrochloride) is a prescription medicine that has been licensed to treat an enlarged prostate. The prostate gland, located below the bladder, is part of the male reproductive system. Importantly, the urethra (the canal that takes urine out of the body) runs through the prostate.