loose stools

I had few consultations from Gastroenterologist . Did a sigmoidoscopy plus more stool , blood tests etc , all were clear.She didn't find anything wrong. My major symptom is loose stools ,4 times a day or more . Her decision was "pancreatic insufficiency" .She put me on Creon 25000 . I have been having them for 3 months now. It helps for cramps /bloating/gurgling etc but loose stools. Then she prescribed me Pancrex V tablets . But looking at the ingredients looks like they similar to Creon .

Why Pancrex V ?

What could be other possible causes ?

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