Trend toward non-operative management even in complicated disease
Selected Hinchey I and II managed with antibiotics and drainage
Laparoscopic lavage versus resection debate ongoing
Elective resection decision individualised
Not automatic after second episode
Shared decision-making with patient
Diet and recurrence prevention
High fibre diet post-recovery
Increases stool bulk and reduces intraluminal pressure
Evidence for prevention of recurrence (Class IIb)
Avoid NSAIDs long-term
Increase recurrence and complication risk
Weight management
BMI reduction in obese patients
Patient Discharge Instructions
copy discharge instructions
Diverticulitis home care
Clear liquid diet for first 1 to 2 days
Water, broth, clear juice
Advance to low-fibre soft diet as tolerated
Medications as prescribed
Take antibiotics for the full course even if feeling better
Avoid NSAIDs including ibuprofen and naproxen
Rest
Light activity as tolerated
Avoid strenuous exertion until cleared
Warning signs to return to ER
Sudden severe worsening abdominal pain
Rigid or board-like abdomen
High fever > 38.5 C not improving
Vomiting and unable to keep fluids down
Chills or shaking
Blood in stool or rectal bleeding
Confusion or feeling very unwell
Passing gas or stool through urine or vagina
Follow-up instructions
Colonoscopy appointment in 6 to 8 weeks
To check for colon cancer or polyps
Do not skip this appointment
Family doctor follow-up within 5 to 7 days
Dietary consultation if recommended
Long-term prevention
Gradually increase dietary fibre after recovery
Fruits, vegetables, whole grains, legumes
Aim for 25 to 38 g fibre per day
Maintain healthy weight
Stay well hydrated
References
Guidelines and key sources
Primary guidelines
Brown RF, Lopez K, Smith CB, Charles A. Diverticulitis. JAMA 2025
Comprehensive management algorithm
Selective antibiotic strategy
Peery AF, Shaukat A, Strate LL. AGA Clinical Practice Update on Medical Management of Colonic Diverticulitis: Expert Review. Gastroenterology 2021
Observation-first strategy for uncomplicated disease
Selective antibiotic use framework
Qaseem A et al. Diagnosis and Management of Acute Left-Sided Colonic Diverticulitis: ACP Clinical Guideline. Annals of Internal Medicine 2022
Outpatient management evidence base
CT imaging role
Supporting evidence
Young-Fadok TM. Diverticulitis. NEJM 2018
Pathophysiology and surgical management review
Hinchey classification staging
You H et al. Management of Diverticulitis: A Review of Guidelines. Medical Journal of Australia 2019
Comparative guideline synthesis
Percutaneous drainage evidence
Peery AF. Management of Colonic Diverticulitis. BMJ 2021
Non-operative management evidence
Colonoscopy follow-up rationale
Coding references
ICD-10 K57.32 diverticulitis of large intestine without perforation or abscess
K57.20 diverticulitis of large intestine with perforation and abscess
K57.80 diverticulitis of intestine part unspecified without perforation or abscess
SNOMED CT colonic diverticulitis disorder concept
SymptomDx is an educational tool for medical professionals. It does not replace clinical judgment. Verify all clinical data and drug dosages with authoritative sources.