Nerves in the muscular bladder wall send ... Sphincter muscles between the bladder and urethra control the flow of urine and help prevent urine from leaking out of the body before a person is ...

"It stimulates the third sacral nerve, which is one of the nerves that comes out of the ... women who have not found success with other bladder control methods.

Medically reviewed by Matthew Wosnitzer, MD A bladder spasm, also known as detrusor hyperreflexia, is when the bladder muscle squeezes involuntarily without warning. In addition to pain or discomfort, ...