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Don’t Ignore a Long-Lasting Cough – It Could Be TB
Pulmonology5 min read📅 23 March 2026

Don’t Ignore a Long-Lasting Cough – It Could Be TB

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Iswarya Medical Team

ISWARYA HOSPITAL · Iswarya Hospital

Learn about tuberculosis symptoms, causes, and treatment from Iswarya Hospital, Chennai. Expert insights by Dr. Malavika on World TB Day awareness.

Introduction

Tuberculosis (TB) continues to be one of the most common infectious diseases affecting millions of people worldwide. On the occasion of World Tuberculosis Day (March 24), leading Tamil newspapers — Dina Kural, Southern Mail, and Maalai Yugam — featured awareness insights from Iswarya Hospital.

Dr. Malavika, Pulmonology Specialist at Iswarya Hospital, Chennai, emphasized the importance of early diagnosis, timely treatment, and public awareness in controlling and eliminating TB.

What is Tuberculosis?

Tuberculosis is an infectious disease caused by bacteria that mainly affects the lungs but can also spread to other parts of the body such as bones, brain, and lymph nodes. It spreads through the air when an infected person coughs, sneezes, or even talks. 

Despite being preventable and curable, TB remains a major public health concern, especially in countries like India


Why Awareness About TB is Important

According to the article published in Dina Kural, Southern Mail, Maalai Yugam, many people still lack awareness about TB symptoms and delay seeking medical care.

Dr. Malavika highlighted that:

  1. Many patients ignore early symptoms

  2. Delay in diagnosis increases disease spread

  3. TB is completely treatable if detected early

Awareness is the first step toward prevention.

Common Symptoms of Tuberculosis

One of the key concerns mentioned in the article is that patients often ignore symptoms. Watch out for:

  1. Persistent cough lasting more than 2 weeks

  2. Fever, especially in the evening

  3. Night sweats

  4. Unexplained weight loss

  5. Loss of appetite

  6. Fatigue and weakness

  7. Coughing up blood (in some cases)

If you experience these symptoms, consult a doctor immediately.

How TB Spreads

Tuberculosis spreads through airborne droplets:

  1. When an infected person coughs or sneezes

  2. When bacteria are inhaled by others nearby

This makes early diagnosis and isolation extremely important.

The Importance of Early Diagnosis

Dr. Malavika strongly emphasized:

“Early diagnosis can save lives.”

Modern diagnostic methods like sputum tests, X-rays, and advanced lab investigations help detect TB early and accurately.

Early detection helps:

  1. Prevent complications

  2. Reduce spread to others

  3. Improve treatment success

Treatment of Tuberculosis

TB is completely curable with proper treatment.

Standard Treatment Includes:

  1. Combination of medications

  2. Treatment duration of about 6 months

  3. Strict adherence to medication

Incomplete treatment can lead to drug-resistant TB, which is harder to treat.

Prevention of Tuberculosis

Preventive measures highlighted include:

  1. Early testing and diagnosis

  2. Completing full course of treatment

  3. BCG vaccination (especially for children)

  4. Good nutrition and immunity

  5. Proper ventilation at home and workplace

  6. Managing conditions like diabetes

Expert Insight – Dr. Malavika

Dr. Malavika (MBBS, MD – Respiratory Medicine) is a dedicated pulmonologist at Iswarya Hospital, Chennai.

She focuses on:

  1. Early detection of lung diseases

  2. Patient-friendly treatment approaches

  3. Awareness-based preventive care

She emphasizes that TB is curable when diagnosed early and treated properly, and patients should not ignore symptoms like persistent cough or weight loss.


Expert TB Care at Iswarya Hospital, Chennai

At Iswarya Hospital, patients receive:

  1. Advanced TB diagnosis and treatment

  2. Experienced pulmonologists

  3. Modern diagnostic facilities

  4. Patient-friendly care

About Iswarya Hospital, Chennai

Iswarya Hospital is a NABH-accredited multi-specialty hospital located in OMR, Chennai.

Key Highlights:

  1. Advanced pulmonology care

  2. Experienced respiratory specialists

  3. Modern diagnostic facilities (X-ray, CT scan, PFT, bronchoscopy)

  4. 24/7 emergency and critical care

  5. Patient-centered treatment approach 

The hospital is committed to providing accurate diagnosis, personalized treatment, and compassionate care.

Conclusion

Tuberculosis is not just a medical condition, it is a public health challenge that requires awareness, early diagnosis, and proper treatment.

As highlighted in the newspaper coverage (Dina Kural, Southern Mail, Maalai Yugam), awareness is the key to eliminating TB.

With timely medical care and expert guidance from specialists like Dr. Malavika, ending TB is possible.

FAQs

1. Is tuberculosis curable?

Yes, TB is completely curable with proper and timely treatment.


2. How long does TB treatment take?

Usually around 6 months, depending on the condition.


3. Can TB spread from person to person?

Yes, it spreads through air when an infected person coughs or sneezes.


4. When should I see a doctor?

If you have a cough for more than 2 weeks or unexplained weight loss.


5. Can TB be prevented?

Yes, through vaccination, early detection, and proper treatment.


Tags:

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