1/3 of pts with uncomplicated initial diverticulitis will have a second attack; and 1/3 of those will have a third attack

Outpatient management

• Antibiotics, e.g. cipro/flagyl

Inpatient management

• Bowel rest (NPO/IVF, or clears if tolerated)
• IV abx

Follow-up

Colonoscopy after 6-8 weeks symptom free (do not scope inflamed colon due to risk of perforation)

Elective partial colectomy if:

• Complicated first attack (abscess requiring drainage; microperforation requiring abx)
• High-risk patients, e.g. immunosuppressed and a second episode of diverticulitis would have high morbidity
• ≥ 2 attacks of uncomplicated diverticulitis

Diet 

• High fiber diet
• Avoiding seeds/nuts/etc. has no evidence