What causes constipation?

Low fiber: And not enough fluids especially if much of your fluid intake is caffeine and or alcohol both of which dehydrate and constipate. Excess foods with calcium or iron such as cheeses and dairy products can constipate. Even if you ate the right foods but didn't drink the correct amount and types of fluids you could get constipated. Fluids are critical! stop the caffeine!

Constipation : There is a big list of causes common causes include lack of fibre in diet , inadequate fluid intake, medications, irritable bowel syndrome, immobility, hypothyroidism, colon cancer, anal fissure . http://patient.info/doctor/constipation-in-adults-pro