You may need to have only liquid at first.
if u have an infection,your doctor may perscribe Antibiotics. Take them as directed, Do not stop taking them just because you feel better.
for mild cramps and belly pain - use a heating pad
You may need surgery only if diverticulitis
does not get better with other treatment or you have problem such as long - lasting.
you can prevent diverticulitis if you Drink plenty of water , get regular exercise , eat higher fiber diet ,fresh fruit. try not to rely on laxative to have regular bowls . With Regards Dr. Sharmila