Evidence-based techniques can become discredited when the state of the science advances, and I would agree that those techniques would not then become "alternat

Evidence-based techniques can become discredited when the state of the science advances, and I would agree that those techniques would not then become "alternative medicine"... unless perhaps they remain in practice. Unless somebody is still doing it, I'd just call it "discredited". Things like psychoanalysis do not typically get the "alternative medicine" label, but they probably should.