How to remove constipation?

Fiber/Water. Most constipation can be treated with fiber (like prunes) and proper hydration. Adding a stool softener may also be very effective. Save the laxatives for last and don't take more often then just a few days or laxative dependency may occur. If this does not worth see your healthcare provider a more potent form of laxitive.
Change your diet and. Fluids. Eat a high fiber diet between 20-25 grams per day, regular meal times and drink 80-100 oz of caffeine free alcohol free fluids daily. If you exercise and should add 20 oz per 30 minutes of strenuous exercise. Some meds contribute to constipation so take the meds with full glass of fluid instead of a sip in addition to the above recommended fluids.