This chapter covers problems that can occur with the bladder, and then pelvic organ prolapse. It provides an assessment of urinary incontinence, and associated investigations, followed by an overview and treatment for overactive bladder (OAB). An overview of urinary stress incontinence is covered, along with both specialist and conservative treatments. Uroflowmetry and urodynamics are described. Pelvic organ prolapse and its treatment is covered, along with vaginal pessaries and surgical treatment. Cystitis, continence products, and all aspects of urinary catheters including trouble-shooting are covered.