Iatrogenesis

The creation of illness as a side-effect of medical treatment. When the cure is the cause.

Rebec­ca men­tioned it being her new favorite word in her com­ment about my last vocab­u­lary entry. Darned if I knew what it meant, so I looked it up. And that’s my cri­te­ri­on for adding words to this list: if I have to look it up, I add it.