The stool appears as hard lumps. The color is very dark brown. It's recommended to increase water intake and consume fiber-rich foods to prevent constipation.

The stool appears as hard lumps, corresponding to Bristol type 1. The color is very dark brown. Increasing water intake and consuming a fiber-rich diet may help prevent constipation.

The stool appears as hard lumps, corresponding to Bristol Stool Scale type 1. The color is very dark brown. It is recommended to increase fiber intake and increase fluid intake.