Hi, Welcome to health care magic, Diverticuloum is a abnormal outward projection of mucosa of the colon. When it is get infected,it is known as diverticulitis. You might have infection of this leading to abdominal pain,fever or vomiting etc. You should continue to take antibiotics ciprofloxacin and flagyl with antiemetics,antispasmodics, probiotics and other supportive treatment since you are suffering from bad abdominal pain. You can take over the counter pain killers like diclofenac and anti-spasmodic like hyoscine for symptomatic relief rather than just keep waiting to see your GI doctor. Also, you have to be careful regarding dietary restrictions which should be low fat and high protein. But the main cure is the only surgical removal of diverticulam because of repeated gut infection or they could be also chances of complications like peritonitis,bowel obstruction if it is left untreated. So,better you see gastro-surgeon and take advise. Regards,