If an overweight person has injured their colon due to heavy constipation what is the best treatment possible if one wishes to avoid a surgery?

Step therapy: Hello. Start with 4 to 6 glasses a day of water. Also add daily fiber to your diet in the form of something like metamucil. If no response add prunes or prune juice. Thereafter you may add colace (docusate sodium) 200 mg twice a day. If still not regular see your primary physician and he can continue to maximize medications. Also you need to evaluate your diet and consider other dx.