Hello dear I understand your concern Your constipation could be due to diabetes. It cause enteropathy that lead to constipation. I would suggest to consult gastroenterologist undergo ultrasound scan of abdomen,colonic transit studies, defecography and colonoscopy examination. Following advice will help you: Take proper treatment of diabetes. Syrup Lactulose: can be taken up to 30 ml twice a day Tab bisacodyl at bedtime can useful Bulking agents like isabgol husk Drink one spoon of honey in warm water daily in morning before the bowel movement. Eat high fiber diet, Every meal should have salads and fruits with skin. Drink 3-4 litre water daily, Daily evening and morning walk for 30-45 minutes to regularize the bowel movement. Take more fruits and green leafy vegetables in the diet. Set Up regular time for the motion. Hope this may help you Contact further if follow up needed Best regards Dr. Sagar