Dealing with chronic constipation and megarectum at 16 is incredibly stressful, especially when it affects your school life and confidence. Please know that you this is a medical condition that can be managed. Tips: Sit on the toilet for 5–10 minutes about 20–30 minutes after every meal (especially breakfast). This takes advantage of the gastrocolic reflex—your body’s natural signal to move the bowels after eating. ​Proper Posture: Use a small stool (like a Squatty Potty) to raise your knees above your hips. This straightens the rectal path and makes it easier to empty completely. Soften the Stool Daily Clear the Backup (Disimpaction) of stool. Drink plenty of water throughout the day. Without water, fiber and laxatives can actually make constipation worse. Diet and Fiber