1. Blockages in the bowel movement like anal fissure, bowel obstruction, bowel cancer, stricture’s , other abdominal cancer’s causing pressure on the bowel, rectocele ( internal prolapsed of the rectum )

2. Neurological problems like Autonomic neuropathy, multiple sclerosis, Parkinson’s , Spinal cord injury or even stroke

3. Pelvic muscles problems like failure to relax (Anismus) , weakness or improper co-ordination (dyssynergia)

4. Hormonal imbalance leading fluid imbalance and causing dry stools