Dr. Robert F Hoofnagle MD

What is Smegma?In uncircumcised males, smegma is a sebaceous matter made up of oil and dead skin cells, which accumulates under the foreskin. In females, it accumulates around the folds of the labia. It is not a serious condition and not a sexually transmitted infection. However, a smegma buildup...

Bladder infection, also referred to as cystitis, is the inflammation of the bladder caused by bacterial infection. This infection can get anywhere in the urinary tract, such as the kidneys, bladder, urethra or ureters and hence is also called a urinary tract infection (UTI). In the majority of...

Erectile dysfunction (ED) is a condition in which a man is unable to get or maintain an erection long enough during sexual activity to satisfy his sexual needs. The condition was referred as impotence before medical research highlighted the underlying causes. Most men encounter erection problems at...

What is AZO?AZO is an analgesic that relieves urinary discomfort caused by a urinary tract infection or catheter use. It is a brand name for phenazopyridine hydrochloride. It eases the pain in the urinary tract by soothing the mucous membranes. However, its exact mechanism remains unknown.The active...

What Are the Complications of Erectile Dysfunction?Erectile dysfunction is a condition that affects an important part of a man’s life. It interferes with his sexual functionality, and this may have adverse effects on both him and his sexual partner(s). Aside from psychological effects, the man...

It is mostly the detrusor muscle that forms the wall of the bladder, it contracts during urination and relaxes to hold the urine. The muscle is continuous at the inferior end with the internal urethral sphincter. Urination results when the detrusor muscle contracts and the urethral sphincter muscle...