A riot control agent is a non-lethal chemical used to disperse a riot. It can rapidly produce sensory irritation or disabling physical effects which disappear following termination of exposure. Examples include tear gases such as CS gas and CN gas as well as pepper spray.
... be more common in females than males. Urethritis is a common cause of dysuria[?] (pain when urinating).
Related to urethritis is so called urethral syndrome[?]
Passage ...