When diverticula get inflamed, they can cause small tears in the colon, resulting in symptoms such as abdominal pain, fever, nausea, and constipation or diarrhea. Diverticulitis can range in severity from mild to severe and might require different treatment interventions, including diet modifications, pain medications, antibiotics, and in some cases, hospitalization or surgery. It's important for individuals with known diverticular disease or suspected diverticulitis to consult with a healthcare professional for an accurate diagnosis and management plan.