New recommendations on colonic diverticulitis highlight key insights for surgical practice.

• Lifetime risk of diverticulitis is 3%-5%, with outpatient management often insufficient.
• Routine antibiotics are not recommended for low-risk patients; reserved for high-risk cases.

Consider lifestyle modifications for patients to reduce recurrence risk, such as diet changes and regular exercise.

• Complications most often arise at initial presentation; reassess treatment strategies for recurrent cases impacting quality of life.