PT - JOURNAL ARTICLE AU - Julie A. Irving AU - Andre Mattman AU - Gillian Lockitch AU - Kevin Farrell AU - Louis D. Wadsworth TI - Element of caution: a case of reversible cytopenias associated with excessive zinc supplementation DP - 2003 Jul 22 TA - Canadian Medical Association Journal PG - 129--131 VI - 169 IP - 2 4099 - http://www.cmaj.ca/content/169/2/129.short 4100 - http://www.cmaj.ca/content/169/2/129.full SO - CMAJ2003 Jul 22; 169 AB - ZINC IS A COMMON SUPPLEMENT AND IS WIDELY AVAILABLE as a standard component of many over-the-counter products. A number of reports have identified an association between excessive zinc intake and severe cytopenia. We report a case of zinc-induced copper deficiency in a young adult to illustrate this under-recognized cause of anemia and neutropenia.