Hard stool happens when your colon absorbs too much water from your stool. This commonly occurs with constipation, defined as having fewer than three bowel movements per week. Common causes include ...

The carnivore diet eliminates all foods except meat and animal products, which may slow digestion and lead to constipation. This can result in hard stools that are more difficult to pass. This may ...

Constipation may cause frequent urination due to the anatomical proximity of the colon and the bladder. Hard stools in the colon can put pressure on the bladder, reducing its capacity, and making it ...