Several causes of<unk><unk>  have been suggested such as trauma, prior surgical procedures, autoimmune diseases such as lupus, IgG4-related disease, rheumatoid arthritis, infections such as tuberculosis, cryptococcosis, schistosomiasis, HIV and medicines such as paroxetine and pergolide but their associations with<unk><unk>  are largely speculative with high degree of bias.
Idiopathic sclerosing mesenteritis
Collagenous colitis
Microscopic colitis
Lymphocytic colitis
Diversion colitis
Cytomegalovirus colitis
Ulcerative colitis
Environmental enteropathy