Dr. Nick Wei-en Liu M.D.

In case you have symptoms of bladder cancer such as the presence of blood in the urine, you should see your doctor immediately. Your doctor will use many tests to possibly diagnose a bladder cancer and will also find out how far it has spread. Sometimes, bladder cancer may have spread to other parts...

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...

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...

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...

IntroductionPolyuria refers to frequent urination and passing excessive amounts of urine every time a person urinates. Normally, adults pass approximately 1-2 liters of urine per day. However, when there is an excessive urination volume of more than 3 liters a day, it is considered as...

What is chlamydia?Chlamydia is one of the most widespread sexually transmitted diseases (STDs) in the United States. It is caused by the bacteria Chlamydia trachomatis. Chlamydia infection is more or less like gonorrhea in terms of its symptoms and format of spreading from one person to the other....