Urethritis is infection of the urethra, the tube that carries urine from the bladder out of the body. Bacteria, including those that are sexually transmitted, are the most common cause of urethritis. Symptoms include pain while urinating, a frequent or urgent need to urinate, and sometimes a discharge. See also Overview of Urinary Tract Infections. Urethritis may be caused by bacteria, fungi, or viruses for example, herpes simplex virus. Sexually transmitted diseases are common causes of urethritis.
Urinary tract infections or UTIs are infections in any part of the urinary tract. They are a common health problem that affects millions of people each year. Women are especially prone to UTIs. Normal urine is sterile and contains fluids, salts, and waste products. It does not contain bacteria, viruses, or fungi. A UTI occurs when germs, most often bacteria from the digestive tract, get into the opening of the urethra and start to multiply.
Pyuria is a urinary condition that is characterized by an elevated number of white blood cells in the urine. Doctors define a high number as at least 10 white blood cells per cubic millimeter mm3 of centrifuged urine. Pyuria can cause the urine to look cloudy or as if it contains pus. The presence of pyuria often occurs in a urinary tract infection UTI.
The male urethra is the tube that carries urine and semen through your penis, outside of your body. Urethral discharge is any type of discharge or liquid, besides urine or semen, that comes out of the opening of the penis. It can be several different colors and happens due to irritation or infection of the urethra.