Loose Stool In The Morning. Help me out.

I have been suffering from constipation for the last 3 years . With a change in lifestyle that includes daily exercise and eating clean food , i was able to get rid of constipation . Now since the last 6 months i am having loose sticky stool in the morning . How much ever fruits i take to increase the fibre content still i end up having a loose and sticky stool in the morning . I often suffer from bloating and gas as well .Being sick for this long has pushed me in a state of depression as well . I have got my sigmoidoscopy done and nothing came out of it . I had anal fissures as well which got cured . Now the doctor has given me prucalopride for this problem . I don't feel bloated after the use of this medicine , but the problem of morning diarrhoea is still present . I have been to so many doctors and have spent so much money and effort to no avail .Some doctors have said i am suffering from IBS which is incurable .Please help me out .