Analysis of information sources in references of the Wikipedia article "Paruresis" in English language version.
Some individuals fear and avoid urinating in public restrooms when other individuals are present (i.e., paruresis, or 'shy bladder syndrome'.)
Nurses and others who work in medical offices have long been aware that some individuals are unable to produce urine samples. This phenomenon, sometimes called "bashful bladder," paruresis, is the inability to urinate in public restrooms.