A urologist is a physician who specializes in diseases of the urinary tract and the male reproductive system. This can include diseases affecting the bladder, urethra, ureters, kidneys, and adrenal glands, along with the epididymis, penis, prostate, seminal vesicles and testes specifically in men. Urologists treat a wide variety of conditions that affect the urinary system and male reproductive system. In men, urologists treat cancers of the bladder, kidneys, penis, testicles, and adrenal and prostate glands, prostate gland enlargement, erectile dysfunction, or trouble getting or keeping an erection, infertility, interstitial cystitis, also called painful bladder syndrome, kidney diseases, kidney stones, prostatitis, which is inflammation of the prostate gland, urinary tract infections, varicoceles, or enlarged veins in the scrotum. In women, urologists treat: bladder prolapse, or the dropping of the bladder into the vagina, cancers of the bladder, kidneys, and adrenal glands, interstitial cystitis, kidney stones, overactive bladder, UTIs and urinary incontinence. In children, urologists treat: bed-wetting, blockages and other problems with the urinary tract structure, undescended testicles.