How to Manage Diverticulitis Through a Low Fiber Diet

For diverticulitis, a low-fiber diet is typically recommended during acute flare-ups to allow the inflamed diverticula (small pouches in the colon) to heal.

However, once the inflammation subsides, gradually reintroducing fiber-rich foods and transitioning to a high-fiber diet is crucial for long-term management and prevention of future episodes.

Here’s how a low-fiber diet can help during diverticulitis flare-ups:

1. Reduce Bowel Irritation:

A low-fiber diet limits the amount of undigested residue and roughage in the digestive tract. This can help reduce bowel movements and minimize irritation to the inflamed diverticula.

2. Rest the Digestive System:

By consuming low-fiber foods, the digestive system experiences less strain, allowing it to rest and heal during acute episodes of diverticulitis.


Assorted fresh ripe fruits and vegetables background

3. Decrease the Risk of Obstruction:

Foods high in fiber, such as whole grains, fruits, and vegetables, can increase stool bulk. During a flare-up, a low-fiber diet can reduce the risk of obstruction or blockage in the affected area.

Check out these 41 High Fiber foods that you can begin to incorporate into your own diet today.

However, it’s important to note that a low-fiber diet is not a long-term solution. Once the acute symptoms subside, gradually reintroducing fiber into the diet is essential for overall gut health and to prevent future diverticulitis episodes.

After recovery, transitioning to a high-fiber diet is recommended for individuals with diverticulitis. A high-fiber diet helps promote regular bowel movements, prevents constipation, and supports a healthy gut. It includes foods such as whole grains, fruits, vegetables, legumes, and nuts.


As always, it’s crucial to consult with a healthcare professional or registered dietitian who can provide personalized guidance based on your specific condition and needs. They can help you develop a suitable meal plan that gradually reintroduces fiber while minimizing the risk of future diverticulitis flare-ups.

Check out this blog post for a further list of foods to avoid with Diverticulitis 


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