<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been diagnosed with diverticulosis. What medications should I take for it?  <response>: You should take Lubiprostone Amitiza to help regulate your bowel movements and prevent constipation. Additionally, Psyllium and Methylcellulose Citrucel can also help to bulk up your stool to prevent further diverticular disease. 