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Overlap Syndrome Specialist - Dr. Rishi Chadha

Another term of Overlap syndrome, also referred to as Asthma-COPD Overlap Syndrome (ACOS), is a condition in which the inflammatory mechanisms of asthma interact with COPD. An example related to ACOS is available at GastroDoxs in Houston where Dr. Rishi Chadha treats the symptom and creates a customized care plan to enhance breathing and living.

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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 Overlap Syndrome?

I have overlap syndrome, which implies that you should have both asthma and COPD. This is also referred to as Asthma-COPD Overlap Syndrome (ACOS). It may complicate breathing and increase the symptoms. The ICD-10 code commonly used by doctors in reference to this condition is J44.9. Under proper treatment, most of us will feel well and less troubled breathing.

What Causes It?

  • Many years of smoke or had smoked.
  • Usually breathe in secondhand smoke.
  • Exposure to air pollution or by dust in the long run.
  • Family or personal asthma or allergies.
  • Age above 40 (however, it may occur at any age)
  • Past history of recurrent pulmonary infections.

Common Symptoms

  • Wheezing or noisy breathing
  • Dyspnea, particularly with physical exercise.
  • Recurrent coughing, with mucus or without it.
  • Tightness in the chest
  • Would be mere flare-ups longer than cold.

How Dr. Rishi Diagnoses Overlap Syndrome?

Step 1: Medical History and Symptom Review

Dr. Chadha examines your breathing problems, exposure to smoking and pollution, history of asthma or COPD, the frequency and intensity of symptoms, as well as the history of pulmonary infections.

Step 2: Spirometry

This lung test is an FEV1 and FVC test that washes in blood a bronchodilator reversibility in the process of discriminating asthma patterns against COPD-like patterns.

Step 3: Imaging Studies

  • Chest X-ray: examines the structure of the lungs, eliminates other conditions.
  • Chest CT scan: gives more in-depth images of airways remodelling, emphysema, and other alterations of the lungs.

Step 4: Allergy Testing

Pollen, dust mites, molds, as well as pet dander, are common triggers of asthma that are identified by skin-prick tests or blood tests.

Step 5: ACOS Criteria Review

Your clinical history, spirometry, imaging, and allergy findings matched the current guidelines of asthma-COPD overlap syndrome, so you are diagnosed with it by Dr. Chadha.

Dr. Rishi Chadha
Treatment

Treatment Options at GastroDoxs

1. Lifestyle and Diet Changes

  • Quit smoking, also no secondhand smoke.
  • Use an air purifier at home
  • Maintain a healthy weight
  • Have a balanced diet and high in vegetables and fruits as well as lean protein.
  • Do light exercises as prescribed by your physician.

2. Medications

  • Inhaled bronchodilators to assist in opening of your lungs.
  • Inhaled corticosteroids in order to decrease pulmonary inflammation.
  • Dual protection combination inhalers.
  • Oral steroids to treat acute exacerbation.

3. Advanced Treatments (If Needed)

  • Bronchial Thermoplasty of very severe symptoms of asthma.
  • Selective COPD patients Endobronchial Valves.
  • Breathing training, education, and exercise Pulmonary rehabilitation.
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.

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Frequently Asked Questions

What is overlap syndrome?

It is a disorder with a combination of asthma and COPD characteristics.

How is it diagnosed?

Through the lung tests (spirometry) and imaging (chest X-ray or CT) and allergy testing and an examination of your medical history.

What's the ICD-10 code for overlap syndrome?

J44.9 is what is typically applied to the Asthma-COPD Overlap Syndrome (ACOS).

Who is at risk?

Individuals that smoke or have ever smoked, are exposed to air pollution or dust, have asthma/allergies, and are above the age of 40.

Does it affect life expectancy?

Yes, but you can do something to alleviate your symptoms and mood given proper treatment and lifestyle modifications.

What medications help?

Breathing inhalodilators and cortexoid, combination inhalers, and occasional oral steroid short-term usage in an exacerbation.

Can diet help?

Yes. Lung health is promoted through eating balanced diet that is rich in fruits, vegetables, low protein that is lean, and healthy body weight.

Can it be cured?

No, but a plan of personalized care may help to control symptoms.

How is it different from asthma or COPD alone?

It has characteristics of the two conditions and hence the treatment should be based on the airway constriction as well as the chronic inflammation.

How do I make an appointment?

To make a reservation with Rishi Chadha, you should call GastroDoxs in Houston or make a reservation on the Internet.

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