Dr. John S Dyhrberg M.D.

The kidneys empty waste into the ureters, two tube-like structures that connect to the urinary bladder where urine is stored temporarily before being ejected through the urethra. At the junction of the urinary bladder and urethra, the prostate gland empties seminal fluid into the urethral cavity....

What are the Different Types of Bladder Cancer?The bladder is a very important organ, usually found on the pelvis (lower abdomen). This hollow organ acts as a storage unit for the urine formed by your kidneys. Being such an important organ of the urinary tract, it is at high risk, since it receives...

Genital herpes is caused by the herpes simplex virus. There are two types of HSV: HSV-1, which mostly causes cold sores, and HSV-2, which mostly causes genital herpes.Some cases of genital herpes may also be caused by HSV-1. This sexually transmitted infection is quite common among the adult...

Rare are the men who have never questioned the size of their penis. Is my penis too small? Is my penis too big? These questions are placed on the list of the most common Google searches. Urologists also confirm that these are the usual concerns their patients express. What is it about penis size,...

Erectile dysfunction also called as ED in medical terminology, is the inability to get or keep an erection firm enough to have sexual intercourse. In severe cases, it is referred to as impotence. Many men experience it during times of stress, but it can also be the result of underlying health...

What types of medications are prescribed for gonorrhea?Gonorrhea is a bacterial infection and sexually transmitted disease that is caused by Neisseria gonorrhoeae. People can get infected by having unprotected oral, vaginal, or anal sex. Sharing of contaminated sex toys can also transmit the...