Laxatives are substances used to stimulate bowel movements or soften stool, aiding in the treatment of constipation. They are clinically significant as they can alleviate discomfort, prevent complications such as fecal impaction, and improve quality of life in patients with bowel disorders. However, overuse can lead to dependency or electrolyte imbalances, making it crucial for healthcare professionals to prescribe them judiciously and monitor patient response.