Diverticulitis: Symptoms, Treatment, and When to See a Doctor

Gastroenterology
Originally Published:
May 1, 2023
Updated:
April 16, 2025
Read Time:
4 min
Author:
BMG Staff
Diverticulitis: Symptoms, Treatment, and When to See a Doctor

Diverticulitis is a common digestive condition that can cause sharp abdominal pain, bloating, and serious complications if left untreated. While many people develop diverticula—small pouches in the colon lining—these pouches can become inflamed or infected. When that happens, it becomes a condition known as diverticulitis.

At BASS Medical Group, our experienced providers can help you recognize the signs of diverticulitis and guide you through treatment to help prevent long-term digestive complications.

What Is Diverticulitis?

Diverticulitis occurs when small pouches (called diverticula) in the digestive tract become inflamed or infected. These pouches most commonly form in the lower part of the large intestine (colon). While diverticula themselves often cause no symptoms, problems begin when they become irritated.

Key risk factors for developing diverticulitis include:

Maintaining a healthy diet and active lifestyle are two of the best ways to reduce your risk.

Common Symptoms of Diverticulitis

Signs of diverticulitis usually begin with sudden or growing pain in the lower left side of the abdomen. Other symptoms can include:

  • Persistent abdominal cramping or tenderness
  • Nausea or vomiting
  • Constipation or bloating
  • Mild fever or chills
  • Loss of appetite

In rare cases, complications can occur, such as:

  • Abscesses (pockets of infection)
  • Intestinal blockages caused by inflammation or scarring
  • Peritonitis – a life-threatening condition where a pouch ruptures and releases contents into the abdominal cavity

If your abdominal pain worsens or is paired with vomiting, confusion, or a high fever, seek medical care immediately.

Medical diagram showing diverticulitis inflammation in the large intestine.
An inflamed diverticulum in the colon can cause pain, nausea, and serious complications if left untreated.

When to Seek Medical Care for Diverticulitis

If you’ve had abdominal pain lasting more than a few days—especially if you're over 40 or have a low-fiber diet—it’s time to speak to a doctor. Since other conditions like IBS, appendicitis, or kidney stones can cause similar symptoms, a proper diagnosis is essential.

Your provider may recommend imaging tests such as a CT scan or blood work to confirm diverticulitis and rule out more serious issues.

Diverticulitis Treatment Options

Treatment depends on the severity of your condition:

For Mild or Uncomplicated Diverticulitis:

  • Oral antibiotics to fight infection
  • Temporary liquid diet to let your colon heal
  • Over-the-counter pain relievers (avoid NSAIDs unless recommended)

Most mild cases improve within 2 to 3 days of rest and treatment.

For Severe or Complicated Diverticulitis:

  • Hospitalization with IV antibiotics
  • Drainage of abscesses
  • Surgery for:
    • Repeated episodes
    • Bowel perforation
    • Intestinal blockages
    • Immunocompromised patients

Surgical options may involve removing the affected portion of the colon or performing a bowel resection.

Can Diverticulitis Be Prevented?

Yes—lifestyle changes can reduce your risk and recurrence:

  • Eat a high-fiber diet with fruits, vegetables, and whole grains
  • Drink plenty of water
  • Maintain a healthy weight
  • Avoid smoking
  • Limit red meat and processed foods
  • Exercise regularly

Ask your primary care provider about nutrition counseling or preventive screenings.

Diverticulitis Care at BASS Medical Group

BASS Medical Group offers expert care for gastrointestinal and colon-related conditions like diverticulitis. Whether you’re managing symptoms for the first time or need long-term care, our team is here to support your digestive health.

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Medical Disclaimer: The information provided in this blog is for educational and informational purposes only and is not intended as medical advice, diagnosis, or treatment. BASS Medical Group does not endorse any specific tests, treatments, procedures, or opinions referenced in this content. Individual results may vary. Always consult with your physician or a qualified healthcare provider regarding any medical concerns or before making changes to your health regimen.