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Symptoms and Diagnosis

Symptoms of TB include:

  • New or worsening cough that lasts for more than 3 weeks or keeps getting worse
  • Night sweats
  • Feeling of tiredness or weakness
  • Chills
  • Loss of appetite
  • Unexplained weight loss
  • Chest pain
  • Fever
  • Others (based on where TB bacteria are located in the body)

If a person has symptoms, they should contact their health-care provider immediately.

Several tests are required to determine if TB bacteria are present in the body and if it is active or inactive. These tests may include a tuberculin skin test, a chest x-ray and sputum tests.