When you're experiencing a diverticulitis flare-up, carefully monitoring your diet is crucial. To fully grasp diverticulitis, it's beneficial to first understand diverticulosis. Diverticulosis is characterized by the formation of small pouches, known as diverticula, in the lining of your colon (large intestine). These pouches are quite common, especially after age 40, and often present no noticeable symptoms - most individuals with diverticula are unaware of their presence. In fact, more than half of the people in the United States over the age of 60 have diverticula. Diverticulitis occurs when these pouches become inflamed, typically due to a tear or bacterial infection. The emergence of these symptoms signifies a flare-up. According to David M. Manuel, MD, a gastroenterologist at Northwestern Medicine, “The incidence of diverticulitis is increasing with the largest increase in patients aged 18 to 44.
Understanding Diverticulitis and Its Dietary Management
During a flare-up, your healthcare team might suggest a specific diet to alleviate irritation and inflammation, promoting gut healing. This could involve a clear liquid or low-fiber diet. It's imperative to consult with your physician or a registered dietitian before embarking on any restrictive diet, particularly for medical conditions.
If your flare-up is severe, marked by persistent diarrhea, fever, or pain, or if surgery is necessary, a clear liquid diet may be prescribed. Bethany M. Doerfler, MS, RDN, a clinical research dietitian at Northwestern Medicine Digestive Health Institute, explains, “When someone is acutely flaring, they are often given the suggestion to go to a clear liquid or low-fiber diet.”
Dietary Recommendations During a Flare-Up
Clear Liquid Diet
A clear liquid diet is often the first step during a diverticulitis flare-up. This diet aims to give your digestive system a break by minimizing the amount of undigested material passing through your colon. It helps reduce inflammation and allows the colon to heal.
Examples of foods and beverages allowed on a clear liquid diet include:
- Broth: Clear broths, such as chicken or vegetable broth, provide essential electrolytes and hydration.
- Clear Juices: Apple juice, white grape juice, and cranberry juice (without pulp) are good options.
- Gelatin: Plain gelatin desserts, like Jell-O, can be consumed.
- Water: Staying hydrated is crucial, so drink plenty of water.
- Ice Pops: Clear ice pops without fruit pieces or creamy fillings are permissible.
- Tea and Coffee: Plain tea and coffee, without milk or cream, are allowed.
It's essential to avoid any liquids that are not clear, such as milk, orange juice, or tomato juice, as well as any solid foods.
Read also: Diet for Diverticulitis Symptoms
Low-Fiber Diet
If your symptoms are mild or improve after a clear liquid diet, your healthcare team may recommend transitioning to foods that are soft and easy to digest. These foods may be chopped, ground, mashed, or pureed to make them gentler on your digestive system.
Examples of foods allowed on a low-fiber diet include:
- White Bread: Refined grains like white bread, pasta, and rice are easier to digest than whole grains.
- Cooked Vegetables: Well-cooked vegetables without skin or seeds, such as carrots, green beans, and potatoes (without skin), are good choices.
- Canned Fruits: Canned fruits without skin or seeds, such as peaches or pears, are easier to digest than fresh fruits.
- Eggs: Eggs are a good source of protein and are gentle on the digestive system.
- Lean Meats: Poultry and fish are easier to digest than red meats.
- Dairy Products: Milk, yogurt, and cheese are generally well-tolerated, but lactose-intolerant individuals should opt for lactose-free versions.
It's important to avoid high-fiber foods like whole grains, raw vegetables, fruits with skin or seeds, nuts, and seeds during this phase.
Identifying Trigger Foods
Individual responses to food can vary significantly. Keeping a food diary during a flare-up can help you and your healthcare team pinpoint specific foods that trigger your symptoms. Note the foods you consume, the time you eat them, and any symptoms you experience afterward. This detailed record can provide valuable insights into your food sensitivities and help you make informed dietary choices.
Long-Term Dietary Management: High-Fiber Diet
Once your flare-up subsides (typically within a week or two), gradually reintroduce a high-fiber diet. A high-fiber diet keeps your stool soft, promotes regular bowel movements, and reduces pressure on your colon, which is thought to lower the risk of diverticula forming and becoming inflamed. Aim for 25 to 35 grams of fiber daily, gradually increasing your intake to avoid bloating and discomfort.
Incorporating Fiber into Your Diet
Tips for increasing your fiber intake:
- Choose Whole Grains: Opt for whole-wheat bread, brown rice, and oatmeal instead of refined grains.
- Eat Plenty of Fruits and Vegetables: Include a variety of fruits and vegetables in your diet, such as berries, apples, pears, broccoli, and spinach.
- Add Legumes: Incorporate beans, lentils, and peas into your meals.
- Include Nuts and Seeds: Add small amounts of nuts and seeds to your diet, unless you have a history of flare-ups triggered by these foods.
- Read Food Labels: Check the fiber content of packaged foods and choose those with higher amounts of fiber.
Debunking Dietary Myths
Previously, medical professionals often advised patients with diverticulosis or a history of diverticulitis to avoid small, hard foods like nuts, seeds, corn, and popcorn. The theory was that these foods could become lodged in the diverticula, leading to inflammation or infection and triggering a diverticulitis flare-up. However, current understanding emphasizes a high-fiber diet for the long-term management and prevention of diverticulitis, and a temporary low-fiber or clear liquid diet during an acute (severe) flare-up to allow your colon to heal.
Read also: The Hoxsey Diet
Diverticulosis vs. Diverticulitis: Key Dietary Differences
Diverticulosis and diverticulitis have different dietary guidelines, despite their similar-sounding names. A clear liquid or low-residue diet is frequently recommended for acute diverticulitis, whereas diverticulosis guidelines typically include dietary changes that increase fiber consumption.
General Dietary Guidelines
If you're just getting started with dietary changes to help manage your symptoms, some basic guidelines below are a good starting point. However, it's also critical to begin paying attention to how your food makes you feel.
- Stay Hydrated: Drink plenty of water throughout the day to keep your stool soft and promote regular bowel movements.
- Eat Regular Meals: Avoid skipping meals or going long periods without eating, as this can disrupt your digestive system.
- Chew Your Food Thoroughly: Proper chewing aids digestion and reduces the burden on your colon.
- Avoid Processed Foods: Limit your intake of processed foods, which are often low in fiber and high in unhealthy fats and additives.
- Limit Red Meat and High-Fat Foods: These foods can be difficult to digest and may exacerbate symptoms.
- Consider Probiotics: Probiotics can help maintain a healthy gut flora, which may reduce inflammation and improve digestive health.
Sample Recipes for Diverticulitis
These recipes are designed to be gentle on your digestive system during a flare-up and can also be adapted for long-term management.
Clear Liquid Diet Recipes
Clear Chicken Broth
Ingredients:
- 4 cups water
- 1 lb boneless, skinless chicken breast
- 1 carrot, peeled and roughly chopped
- 1 celery stalk, roughly chopped
- 1 onion, quartered
- Salt and pepper to taste
Instructions:
- Combine all ingredients in a large pot.
- Bring to a boil, then reduce heat and simmer for 1-2 hours.
- Strain the broth through a fine-mesh sieve, discarding the solids.
- Season with salt and pepper to taste.
Clear Apple Juice Gelatin
Ingredients:
- 2 cups clear apple juice
- 2 envelopes unflavored gelatin
Instructions:
- Pour 1 cup of apple juice into a saucepan and sprinkle gelatin over the top. Let it sit for 5 minutes to soften.
- Heat the mixture over low heat, stirring until the gelatin is completely dissolved.
- Remove from heat and stir in the remaining 1 cup of apple juice.
- Pour into individual serving dishes and refrigerate until set.
Low-Fiber Diet Recipes
Mashed Potatoes
Ingredients:
- 2 lbs potatoes, peeled and cubed
- 1/2 cup milk
- 2 tbsp butter
- Salt and pepper to taste
Instructions:
- Boil potatoes in salted water until tender.
- Drain the potatoes and return them to the pot.
- Mash the potatoes with milk and butter until smooth.
- Season with salt and pepper to taste.
Scrambled Eggs
Ingredients:
- 2 eggs
- 1 tbsp milk
- Salt and pepper to taste
Instructions:
- Whisk eggs and milk together in a bowl.
- Season with salt and pepper to taste.
- Pour the mixture into a non-stick skillet over medium heat.
- Cook, stirring occasionally, until the eggs are set but still moist.
High-Fiber Diet Recipes
Oatmeal with Berries
Ingredients:
- 1/2 cup rolled oats
- 1 cup water or milk
- 1/2 cup mixed berries
- 1 tbsp chopped nuts (optional)
Instructions:
- Combine oats and water or milk in a saucepan.
- Bring to a boil, then reduce heat and simmer for 5 minutes, stirring occasionally.
- Top with berries and nuts (if using).
Lentil Soup
Ingredients:
- 1 cup brown or green lentils, rinsed
- 6 cups vegetable broth
- 1 carrot, diced
- 1 celery stalk, diced
- 1 onion, diced
- 1 tsp cumin
- Salt and pepper to taste
Instructions:
- Combine all ingredients in a large pot.
- Bring to a boil, then reduce heat and simmer for 30-40 minutes, or until lentils are tender.
- Season with salt and pepper to taste.
Read also: Walnut Keto Guide
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