Dr. David Leonard Harold M.D.

Erectile dysfunction (ED) affects the ability of a man to have an erection and maintain it long enough to have a satisfying sexual experience. There are certain times when a man may not fully rise to the occasion during sexual intercourse, and this can be due to other factors aside from...

What is prostate cancer?The prostate is a small gland located close to the bladder that produces prostatic fluid in men. This gland is responsible in the working of the male reproductive system. Prostate cancer is therefore a cancer that affects the prostate gland, causing growth of malignant cells...

Hydrocelectomy refers to a surgical procedure done for the purpose of repairing or removing a hydrocele, a buildup of watery fluid around one or both testicles. This sac swells as fluid accumulates, causing discomfort but usually no pain. Since hydrocelectomy involves a sensitive part of the...

What is a urinary tract infection?The main function of the urinary system is to get rid of waste, maintain the body’s water balance, and regulate electrolytes. Its function starts with the kidneys, the organ that filter blood to produce urine, which is composed of extra fluid and wastes. Before...

Urine Culture and Sensitivity TestA urine culture is a laboratory test that can identify specific types of germs that cause urinary tract infections. A urinary tract infection occurs when bacteria enter the urinary system through the urethra. Bacteria can rapidly grow and multiply, and cause an...

In cystoscopy, a slender, flexible or rigid tube (cystoscope) with a lighted camera at its tip is positioned inside the urinary bladder. The device is lubricated and gently slid inside the bladder through the urethral opening in the penis under anesthesia. The procedure enables the urologist to...