Bladder is a hollow organ in the lower abdomen. Its main function is to store urine and it can be affected by a variety of conditions. The most common types of bladder diseases include overactive bladder, cystitis, bladder cancer, urinary incontinence and interstitial cystitis. There are several signs and symptoms of bladder diseases, such as cloudy urine, blood in the urine, bladder leakage, urinating frequently in small amounts, pain during sexual intercourse, etc. The risk factors associated with bladder diseases include birth control, hormonal changes, hysterectomy, obesity, autoimmune disorders and medical conditions like diabetes. The diagnosis of bladder diseases is accomplished through various tests. These consist of using cystoscope for inspection of the bladder wall, urine tests and X-rays. Treatment is determined by the cause of the issue and can include medications, and in extreme circumstances surgery can also be done. This book covers new techniques for the clinical diagnosis and management of bladder diseases. A number of latest researches have been included to keep the readers up-to-date with the global concepts on this medical condition.