Symptom Checker - Lactose Intolerance 

​Differential diagnosis of lactose intolerance are :
-celiac disease
-inflammatory bowel disease
-irritable bowel syndrome 
-laxative abuse
-bowel carcinoma
-cystic fibrosis 
-diverticular disease
-pancreatic insufficiency 
-tropical sprue 
-non tropical sprue 
-giardiasis 
-bacterial infections 
-viral infections