Relating to or promoting the purification or cleansing of blood through medical treatment or bloodletting.
From 'hematocatharsis' + '-ic' suffix. Used to describe treatments that aimed to purify or cleanse the blood according to older medical theory.
Medieval doctors would describe bloodletting as 'hematocathartic'—they truly believed this would balance your 'humors' and cure you, a perfect example of how scientific-sounding language doesn't guarantee correct science!
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