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The association of gastro-intestinal disturbances with various dermatoses is emphasized in all the textbooks, but few statistics are available showing the frequency of such association.
The present report is based on an analysis of more than 900 feces examinations made in various dermatoses. About 200 of these examinations were made with the patient on a Schmidt test diet, the balance with the patient on an average mixed diet. Analysis of the results revealed no striking difference between the two groups, so they have been incorporated in the one table.
All the cases have been taken from the private records of the late Dr. James C. Johnston and myself. The examinations were made as a routine procedure whether or not the patients complained of any symptoms of gastro-intestinal disturbance; and it may be pointed out that some of the most marked examples of protein putrefaction or carbohydrate fermentation have been found