Posted On : April 05, 2015 There is a rash caused by an overgrowth of bacteria called BADAS Bowel Associated Dermatosis Arthritis Syndrome. It usually also accompanies arthritic symptoms and more common in JI bypass. But there have been cases in DS and RNY.

https://www.mayoclinicproceedings.org/article/S0025-6196(12)60341-3/fulltext

https://www.ncbi.nlm.nih.gov/pubmed/6694433

https://www.ncbi.nlm.nih.gov/pubmed/21332683