Urodynia is a medical condition characterized by painful urination. It is also known as dysuria. There are several synonyms or alternative terms used to describe this condition, including painful bladder syndrome, bladder pain syndrome, interstitial cystitis, and urinary tract infection. Painful bladder syndrome and bladder pain syndrome are commonly used to describe recurring discomfort in the bladder, pelvis, and urinary tract during urination. Interstitial cystitis refers to a chronic inflammatory disorder that affects the bladder and surrounding tissues. Urinary tract infection is a bacterial infection that causes painful urination, among other symptoms. Understanding the different synonyms for urodynia helps doctors diagnose and treat the underlying cause of painful urination.