Disease	Features	Treatment
Asymptomatic	Diverticula in the absence of clinical symptoms	High-fiber diet
Symptomatic	Diverticula and abdominal pain, with or without change in bowel habits; no inflammation	High-fiber diet
Diverticulitis: uncomplicated (in stable patients)	Abdominal pain, fever, leukocytosis; able to tolerate oral fluids	Oral antibiotics (to cover anaerobes and gram-negative rods); clear liquid diet; avoid morphine (Duramorph) if possible because of risk of increasing intracolonic pressure
Diverticulitis: uncomplicated (in older or ill patients)	Abdominal pain, fever, leukocytosis; able to tolerate oral fluids, or patient is older than 85 years	IV antibiotics (to cover anaerobes and gram-negative rods); IV fluids; bowel rest, nothing by mouth; meperidine (Demerol)
Diverticulitis: complicated	Abdominal pain, fever, leukocytosis; with or without sepsis, perforation, abscess, fistula, obstruction	Stabilization with fluids and antibiotics; surgical consultation; percutaneous drainage