Hi thanks for contacting HCM... Noted you are diagnosed with diverticulitis and given proper treatment ... Along with drugs good lifestyle habits also has to be adopted like....... Drink more water..... Excess spicy and fried non veg food avoided as they irritate intestinal mucosa... Blueberries rich in fiber and vitamin c with antioxidant ..so useful and taken daily.... Kiwi rich in linolenic acid , vitamin c and E, magnesium , pottasium etc...so help in proper digestion... Fruits taken more. Green leafy vegetables useful.... Yoghurt good for healthy digestion... Smoking , alcohol strickly avoided.... Try to avoid taking stress... Hope my suggestion will help. If still problem continue consult gastroentetologist for starting antibiotic... Take care.... Dr.Parth