Fat malabsorption- what are the possible causes- we know i do not have gastro disease (crohns, divert, celiec, pancreatitus, or gall bladder prob, no surgery/ new diagnosed lupus. and i have pots?

Steatorrhea : Many causes: pancreatic (exocrine insufficiency); celiac disease; sbbo/sibo; bowel resection/short bowel syndrome; bile acid malabsorption; certain medications; history of chemo/xrrt; systemic disease such as scleroderma & pbc have also been associated with fat malabsorption. Because each of these conditions can have specific and different treatments, determining the exact etiology is important.

SLE ,malabsorption: In reported series of sle patients, the prevalence of malabsorption was 9.5%, and was even higher if isolated fat malabsorption was considered. Malabsorption occurs particularly in patients with sle, and abdominal complaints.The pathogenesis is not entirely clear. Morphologic changes not necessarily seen on endoscopy.You should consult rheumatologist.