A case of Cronkhite-Canada syndrome whose major complaint, taste disturbance, was improved by zinc therapy.

A patient whose major complaint was taste disturbance and who was diagnosed as having Cronkhite-Canada syndrome was prescribed zinc sulfate. Improvement in taste disturbance was noted after 3 weeks of treatment, followed by gradual improvement in skin and gastrointestinal symptoms. Cronkhite-Canada syndrome can be considered a zinc-deficiency disorder caused by gastrointestinal polyposis.