Picosulfate sodium is primarily used as a stimulant laxative to treat constipation or to empty the bowel before medical procedures such as colonoscopies. It works by stimulating the muscles in the intestines, increasing bowel movements and facilitating the passage of stool. It is often combined with other laxatives like magnesium oxide and citric acid for enhanced effectiveness in bowel preparation. The chemical is typically administered orally and is known for its relatively rapid action, usually producing results within 6 to 12 hours. Its use is generally well-tolerated, but it may cause side effects such as abdominal discomfort, nausea, or diarrhea. It is important to follow medical guidance when using this chemical to avoid dehydration or electrolyte imbalances.