Trench nephritis

Medical condition

Trench nephritis, also known as war nephritis, is a kidney infection, first recognised by medical officers as a new disease during the early part of the First World War and distinguished from the then-understood acute nephritis by also having bronchitis and frequent relapses. Trench nephritis was the major kidney problem of the war. The cause was not established at the time, treatments were ineffective, and the condition led to 35,000 British and 2,000 American casualties.

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