Tuberculosis

Also known as: TB, Kshay Rog

Category: InfectiousICD-10: A15

Tuberculosis is a bacterial infection, mainly of the lungs, spread through the air. It is curable with a full course of medicines, which are free under India national TB programme.

Symptoms

  • Cough for more than 2 weeks
  • Fever, especially in the evening
  • Night sweats
  • Weight loss
  • Coughing up blood

Causes

  • Mycobacterium tuberculosis

Risk factors

  • Close contact with a TB patient
  • HIV
  • Diabetes
  • Malnutrition
  • Smoking

Complications

  • Drug-resistant TB
  • Spread to other organs

Treatment overview

A 6-month or longer course of multiple TB medicines taken daily without missing doses, available free at government centres.

Prevention

  • BCG vaccine at birth
  • Early diagnosis and treatment of patients
  • Good ventilation

When to see a doctor

If you have a cough for more than 2 weeks.

Vaccines

Frequently asked questions

What are the symptoms of Tuberculosis?

Cough for more than 2 weeks, Fever, especially in the evening, Night sweats, Weight loss, Coughing up blood

What causes Tuberculosis?

Mycobacterium tuberculosis

How is Tuberculosis treated?

A 6-month or longer course of multiple TB medicines taken daily without missing doses, available free at government centres.

How can Tuberculosis be prevented?

BCG vaccine at birth, Early diagnosis and treatment of patients, Good ventilation

Medically reviewed by

Medical review pending

Last updated

9 October 2026

Sources

  • World Health Organization fact sheets
  • ICMR and MoHFW national guidelines
  • National Centre for Disease Control (NCDC)

This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.

This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.