I’m writing this because I’ve been there. I was diagnosed with diverticulitis, and it is one of the most painful and life-changing experiences I’ve gone through — affecting not just your body, but your daily routine, your diet, and your peace of mind. If you have it too, I see you. I have nothing but respect for anyone navigating this condition.
You might have heard the word diverticulitis thrown around at a doctor’s appointment, or perhaps a family member has been diagnosed with it. But what exactly is it — and should you be worried? The good news is that with the right knowledge and a few lifestyle tweaks, most people with this condition live full, comfortable lives.
What Are Diverticula?
Diverticula (singular: diverticulum) are small, bulging pouches or sacs that can form in the lining of the digestive system. They most commonly develop in the lower part of the large intestine, known as the sigmoid colon, though they can appear elsewhere in the gut, including the esophagus and small intestine.
It helps to understand three closely related terms:
- Diverticulosis: The simple presence of diverticula. Most people with diverticulosis have no symptoms whatsoever and only discover the pouches during a routine colonoscopy.
- Diverticulitis: What happens when one or more of those pouches becomes inflamed or infected. This is the condition that typically causes noticeable symptoms and requires medical attention.
- Diverticular Disease: A broader term used when diverticula cause ongoing symptoms — such as bloating, cramping, or bleeding — even without full-blown infection.
Recognizing the Symptoms
Diverticulitis typically announces itself with sharp, persistent pain in the lower left side of the abdomen. This discomfort can range from a dull ache to intense cramping and is often accompanied by:
- Fever and chills
- Nausea or vomiting
- Changes in bowel habits (constipation or diarrhea)
- Bloating and tenderness in the abdomen
If you experience severe abdominal pain, especially with fever, seek medical care promptly. In rare cases, diverticulitis can lead to complications like abscess, perforation, or fistula — all of which require urgent treatment.
Causes and Risk Factors
The exact cause of diverticular disease isn’t fully understood, but experts believe that diverticula form when weak spots in the colon wall give way under pressure. A number of factors can increase your risk:
- Age: Diverticula are extremely common with age. More than half of Americans over 60 have them. The condition is relatively rare before age 40.
- Diet: A low-fiber diet has historically been linked to increased colon pressure, though recent research suggests the relationship may be more complex than previously thought.
- Lifestyle factors: Obesity, smoking, physical inactivity, and certain medications — including NSAIDs (like ibuprofen) and steroids — can all raise the risk of developing diverticulitis.
- Genetics: Family history may play a role, suggesting there is a hereditary component to diverticular disease.
Treatment: What Happens During a Flare-Up
The treatment for diverticulitis depends on the severity of the episode. Mild cases can often be managed at home, while severe flare-ups may require hospitalization.
Mild Cases
- Rest and reduced physical activity
- A clear liquid diet (broth, pulp-free juice, gelatin) for 1–3 days to let the colon rest
- Gradual reintroduction of low-fiber soft foods (white bread, eggs, mashed potatoes) as symptoms improve
- Pain relief with acetaminophen (avoid NSAIDs like ibuprofen, which can worsen inflammation)
More Severe Cases
- Antibiotics may be prescribed if infection is confirmed
- Hospitalization for IV fluids and stronger medications
- Surgery in rare cases involving perforation, abscess, or repeated severe episodes
Long-Term Management and Prevention
Once diverticula form, they don’t disappear. But the good news is that the right daily habits can dramatically reduce your chances of a flare-up and help you feel your best.
- Eat more fiber: Aim for 25–35 grams of fiber daily from whole grains, legumes, fruits, and vegetables. Increase your intake gradually over several weeks to avoid gas and bloating.
- Stay well hydrated: Fiber needs water to do its job. Target at least 64 ounces (8 cups) of water daily to keep stools soft and moving.
- Exercise regularly: Vigorous physical activity — such as running or brisk walking — is associated with a 25–40% reduced risk of diverticulitis and diverticular bleeding.
- Maintain a healthy weight: Obesity is linked to higher rates of diverticular complications, so achieving and sustaining a healthy weight matters.
- Quit smoking: Smoking increases the risk of diverticular complications and slows healing.
- Bust the nut-and-seed myth: There is no scientific evidence that nuts, seeds, or popcorn trigger diverticulitis. These are actually fiber-rich foods that may be protective — enjoy them freely.
Key Takeaway: Diverticulosis is remarkably common and, for most people, completely manageable. The path forward is a fiber-rich diet, good hydration, regular exercise, and close communication with your doctor during flare-ups.
I hope this gives you a clearer picture of what diverticulitis is and, more importantly, what you can do about it. Above all, I just hope your diverticulitis won’t flare up — but if it does, now you’ll know exactly what to do.
–Richard Uzelac, sending his warmest regards.