What is urethritis?

Updated: Dec 12, 2018
  • Author: Martha K Terris, MD, FACS; Chief Editor: Edward David Kim, MD, FACS  more...
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Urethritis is defined as infection-induced inflammation of the urethra. Although various clinical conditions may result in irritation of the urethra, the term urethritis is typically reserved to describe urethral inflammation caused by a sexually transmitted disease (STD). Urethritis is normally categorized into one of two forms, based on etiology: gonococcal urethritis (GU) and nongonococcal urethritis (NGU).

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