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Constipation Specialist - Dr. Rishi Chadha

In fewer than three bowel movements per week, constipation develops and causes pain, bloating, and discomfort. Symptoms are aggravated by dehydration in warm weather in Houstons climate. Drugs Dietary changes or the latest therapeutic options will help achieve a lasting diagnosis and manageable therapy using board certified gastroenterologist, Dr. Rishi Chadha, of GastroDoxs.

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Texas Medical Board
Harris County Medical Society
American College of Gastroenterology
American Society for Gastrointestinal Endoscopy
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Houston Methodist leading Medicine
HCA Houston Healthcare
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 Constipation?

Constipation refers to the movements of the bowel which are less than three in a week. Stools may also be very hard, dry or painful to pass and you may also experience a bloated bowel or the urge to continue passing. The weather in Houston is hot, which worsens symptoms in case of dehydration.

Common Causes and Risk Factors

  • Low dietary fiber intake
  • Inadequate fluid consumption
  • Lack of regular physical activity
  • Certain medications (e.g., painkillers, antidepressants)
  • Ignoring the natural urge to have a bowel movement
  • Hormonal changes during pregnancy
  • Age over 65 years
  • Underlying health issues (diabetes, hypothyroidism)

Signs and Symptoms

  • Fewer than three bowel movements per week
  • Straining or pain while passing stool
  • Hard, dry, or lumpy stools
  • Sensation of incomplete emptying
  • Abdominal bloating or discomfort
  • Lower back pain from excessive straining
  • Nausea in severe or obstructive cases

How Dr. Rishi Diagnoses Constipation?

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

Medical History and Physical Exam

He examines your diet, fluid consumption, physical activity, medications, and health history in general to determine possible causes.

Blood Tests

To rule out metabolic or hormonal causes of slow transit we test thyroid functioning, electrolytes and other lab parameters.

Imaging Studies

  • Abdominal X-ray or CT scan to detect obstructions, stool burden, or structural abnormalities.

Endoscopic Evaluation

For patients over 50 or those with bleeding, a colonoscopy examines the colon lining for polyps, strictures, or other pathology.

Motility Testing

In the case of continuing constipation specific tests (anorectal manometry, balloon expulsion or whole-gut transit studies) measure nerve and muscle activity.

Rishi Chadha
Treatment

Our Houston team offers a full range of care for constipation.

1. Lifestyle and Diet Changes

  • Include more fiber rich products such as whole grains, beans, and greens.
  • Take a minimum of 8 glasses of water every day, particularly on Houston hot days.
  • Regular workouts, even brisk walking, will help.
  • Get in a routine of visiting the bathroom every day at the same time.

2. Medications

  • Fiber supplements e.g. psyllium (Metamucil).
  • Stool softeners e.g. docusate.
  • Osmotic laxatives e.g. Miralax – normal dosage in adults is 17 g/day.
  • Chronic or severe cases may require prescription drugs.

3. Interventions with Minimal and Advanced Surgery

  • Pelvic floor dysfunction – biofeedback therapy.
  • Slow transit constipation treated with sacral nerve stimulation.
  • Botox injections for tense anal muscles.
  • Impacted stool – endoscopic debridement.
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 normal bowel movement scale?

Three to three times a day or three to three times a week is regarded as normal.

What should I avoid in my food to avoid constipation?

Reduce cheese, white bread, and huge portions of red meat that slow down digestion.

Do constipation and back pains go hand in hand?

Yes. Lower back pain or discomfort can be a result of straining when passing bowel movements.

Is it bananas that make one constipated?

Bananas have a lot of fiber content and normally aid digestion when being ripe. Raw (immature) bananas can slow down bowel movement.

What is the safe dose of Miralax in adults?

The average dosage used by an adult is 17 grams (approximately one large heaped spoonful) in a day. The last thing you want to do is to ignore your doctor.

Will constipation feel like I am nauseous?

Yes. Greater or lasting constipation may result in nausea, bloating, or vomiting in severe instances.

When do I refer to a doctor on constipation?

Contact a provider in case constipation extends longer than three weeks, or in case of extreme pain, unexplained loss of weight, bleeding, or vomiting.

Are laxatives safe when used long-term?

It is safe to use bulk-forming laxatives on a regular basis (e.g., psyllium). Do not take daily stimulant laxatives unless instructed to do so by your physician.

Is constipation a consequence of stress?

Yes. Stress and anxiety would change gut motility and cause constipation.

What is the effect of water deficiency on stool?

Lack of sufficient fluids results in the colon absorbing more water in stool thus making it hard, dry, and difficult to pass.

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