Sodium picosulfate monohydrate is primarily used as a stimulant laxative to treat constipation and to prepare the bowel for medical procedures such as colonoscopies or surgeries. It works by increasing the movement of the intestines, helping to clear the bowel effectively. This makes it a valuable tool in ensuring a clean and unobstructed view during diagnostic examinations. It is often administered in combination with other agents, such as electrolytes, to enhance its effectiveness and maintain hydration balance. Its use is typically recommended under medical supervision to ensure proper dosage and to minimize potential side effects like abdominal discomfort or electrolyte imbalance.