Initial symptoms of mine include high intolerance to lactose , bloating , fats in the belly, nausea right after taking milk , loose motion and memory loss,itchiness, increased appetite but no weight gain and irritability after taking milk products .. but I can slightly tolerate gluten products than milk products. My biopsy and endoscopy results...
Do a biopsy test .. it may show early symptoms of this disease like mild shortening of villi of the small intestine but celiac disease test may come out as negative . ( My test came out negative but biopsy test says all the early tell tale symptoms)