The home health nurse is caring for a client who has frequent bouts of diverticulitis accompanied by increased flatulence, diarrhea, and nausea. Which is the MOST appropriate suggestion to lessen these symptoms?

Diverticulosis involves the presence of small herniations in the colonic wall, which can become inflamed, leading to acute diverticulitis. Chronic management focuses on increasing stool bulk and reducing intraluminal pressure to prevent the entrapment of fecalith within the diverticula. High-residue diets facilitate regular bowel movements and minimize the risk of bacterial overgrowth and subsequent inflammatory flares. A. Increase dietary fat intake: High-fat consumption slows gastric emptying and can exacerbate gastrointestinal distress and nausea. It does not provide the necessary structural bulk to the stool required to manage diverticular disease. Excessive lipids may contribute to metabolic issues rather than resolving colonic dysfunction. B. Eat a diet high in fiber content: Dietary fiber increases fecal volume and softens stool, reducing the mechanical strain on the colonic wall. This prevents stasis and fermentation of intestinal contents, which are primary causes of flatulence and inflammation. It is the cornerstone of long-term diverticular health. C. Take daily laxatives: Chronic reliance on stimulant laxatives can lead to bowel dependency and electrolyte imbalances. While fiber is a bulk-forming laxative, chemical stimulants do not address the structural need for residue. Management should prioritize natural dietary modifications over pharmacological purgatives. D. Exercise to increase intraabdominal pressure: Activities that significantly elevate intra-abdominal pressure, such as heavy lifting, can theoretically worsen diverticular protrusions. While aerobic exercise promotes peristalsis, the goal is to reduce, not increase, the pressure within the abdominal cavity to prevent complications.