For a single-time end users, cocaine might be detected with a drug examination for a single to a few times following use. For Long-term major end users, cocaine can clearly show up over a drug take a look at for 2 weeks or for a longer period soon after quitting.Flake ?????n? ??n ?l?? be manufactured ?nt? ?m?ll wh?t? r??k?, referred to as Cr??k.