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Diverticular Bleeding Specialist - Dr. Rishi Chadha

GastroDoxs in Houston, through Dr. Rishi Chadha, provides me with professional care as well as personal care including treatment of diverticular bleeding in a painless but potentially serious ailment that is an effect of bleeding colonic pouches. It has been short term relief and preventive measures in the long-run due to endoscopic procedures, lifestyle counseling and advanced diagnostics.

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Texas Medical Board
Harris County Medical Society
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American Society for Gastrointestinal Endoscopy
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Houston Methodist leading Medicine
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Rishi Chadha

About the Expert

Dr. Rishi Chadha, MD is a board‑certified gastroenterologist who specializes in preventive gastroenterology, colorectal cancer screening, and minimally invasive endoscopic procedures. He completed his fellowship at Sunrise Health GME in Las Vegas and previously trained in internal medicine at St. Vincent’s Medical Center in Connecticut.

What Is Diverticular Bleeding?

Diverticular bleeding is the leakage of the small protrusions (diverticulosis) of the colon wall. These pouches grow over time that is, after an age of more than 40 years and when the blood vessel in your body is elevated and consequently breaks open, your stool will be of bright red colour or maroon.

Common Causes and Risk Factors

  • Age: Risk increases significantly after 40 years.
  • Low-fiber diet: Hard stools raise pressure in the lower colon.
  • Lack of exercise: Weakens the colon wall and increases the risk of diverticulitis.
  • Use of NSAIDs: Elevates the likelihood of intestinal bleeding.
  • Genetic factors: Family history may contribute to susceptibility.

Signs and Symptoms

  • Signs and Symptoms
  • Painless rectal bleeding.
  • Dark red or bright red (maroon) blood in the stool.
  • Feeling light-headed or dizzy.
  • Low blood count (anemia).

How Dr. Rishi Diagnoses Diverticular Bleeding?

Dr. Rishi Chadha uses a step-by-step approach:

Medical History and Exam

He will examine your blood transfusions, colon problems, medications (blood thinners or NSAIDs), diet and family history and then will make directed abdominal and rectal examination.

Blood Tests

Full blood count to determine the hemoglobin/hematocrit with regards to the presence of anemia, coagulation laboratory to determine the pursuit of bleeding, and basic metabolic panel.

Colonoscopy

Has a colonoscopic assessment to detect and possibly rectify the bleeding diverticulum using clips or thermal therapy.

CT Angiography

  • Quick, high-contrast scan used in cases where bleeding is high-speed or rapid to localize the locus of bleeding in cases where colonoscopy becomes infeasible.
  • Arrange the operations of interventional radiology where it is needed.

Angiography (if needed)

In severe cases, the bleeding vessel may be identified by means of selective mesenteric angiography and blocked with the help of embolization.

Rishi Chadha
Treatment

Our Houston team offers a full range of care for diverticular bleeding.

1. Lifestyle and Diet Changes

  • Increase fiber intake with vegetables, whole grains, and fruits.
  • Drink plenty of water throughout the day.
  • Exercise regularly to support healthy digestion.
  • In cases of heavy bleeding, switch temporarily to a clear-liquid diet.

2. Medications

  • Fiber supplements to help soften stools and improve bowel movements.
  • Iron supplements if anemia is present.
  • Acetaminophen for pain relief (avoid NSAIDs).

3. Minimally Invasive or Advanced Procedures

  • Endoscopic clipping during colonoscopy to stop bleeding.
  • Angiographic embolization – a minimally invasive procedure that blocks the bleeding artery using a small catheter.
  • Surgical intervention – rarely needed, performed only in cases of severe or recurrent bleeding.
Rishi Chadha

About the Author

Dr. Rishi Chadha, MD is a board‑certified gastroenterologist who specializes in preventive gastroenterology, colorectal cancer screening, and minimally invasive endoscopic procedures. He completed his fellowship at Sunrise Health GME in Las Vegas and previously trained in internal medicine at St. Vincent’s Medical Center in Connecticut.

Frequently Asked Questions

What is the length of diverticular bleeding?

Diverticular bleeding typically resolves within 1–2 days on its own. However, Dr. Rishi Chadha monitors each case closely and intervenes if necessary to ensure safe recovery.

Does diverticular hemorrhage cause harm?

In some cases, bleeding can be heavy or recurrent. Early medical evaluation and treatment help prevent complications and support full recovery.

What should I do at home to prevent diverticular bleeding?

Get adequate rest, follow a clear-liquid or light diet, stay well hydrated, and avoid NSAIDs. Contact your doctor immediately if bleeding persists or worsens.

What is the difference between diverticular bleeding and hemorrhoids?

Diverticular bleeding is typically painless and originates from the colon, while hemorrhoids usually cause pain, itching, or irritation around the rectum.

What does diverticular bleeding look like?

It may appear as bright red or maroon-colored blood in the stool or toilet bowl, often occurring without pain or other symptoms.

Do I need a colonoscopy?

Yes. A colonoscopy is performed to locate the source of bleeding and can also treat it through endoscopic clipping during the same procedure.

Is diet preventive for diverticular bleeding?

A high-fiber diet helps lower pressure inside the colon and may reduce the risk of bleeding, though it does not eliminate it completely.

Are there risks with endoscopic clipping?

Endoscopic clipping is considered very safe. Rarely, mild side effects such as infection or small tears may occur. Dr. Chadha’s team takes every precaution to ensure patient safety.

What is the recovery time?

Most patients recover within 1–2 days after the bleeding stops or is successfully treated, and can return to normal activities shortly thereafter.

How do I book an appointment?

To schedule an appointment with Dr. Rishi Chadha at GastroDoxs, please call our Houston office or fill out the online appointment request form on our website.

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