5 Myths of TB

Posted October 15, 2022 by Anusha ‐ 2 min read

Tuberculosis is one of the top 10 causes of death across the globe. It is a contagious disease that is caused by the bacteria, Mycobacterium Tuberculosis that most commonly affects the lungs, although it could affect any other part of the body as well.

Myth: TB is hereditary


  • TB is not hereditary as genetics have no role to play in the transmission or development of TB.

  • The TB bacteria takes time to develop in a person’s body and is caused when one is around people who are already infected with the condition.

Myth: If someone with TB coughs, I will contract the disease


  • TB is passed on through coughing, sneezing etc. however it is not spread so easily.

  • One has to be in close contact with an infected person for a considerable amount of time in order to contract the infection.

Myth: There is only one kind of Tuberculosis


  • There are actually two types of TB: Pulmonary TB and Extrapulmonary TB.

  • Pulmonary TB is the most common and prevalent form of TB that affects the lungs.

  • However, the condition can affect various other parts of the body including the brain, muscles, bones and lymph nodes.

  • When the bacteria affects other vital organs, the condition is called extrapulmonary TB.

Myth: Once you are cured of TB, you will not develop it


  • Even if you have been cured of TB once, you can still develop the infection a second time.

  • Ensure that you complete your course of treatment when diagnosed with the condition.

Myth: You will always know if you have TB, given its symptoms


  • The major concern with TB is that it doesn’t manifest in the form of symptoms until the condition has advanced to a severe level.

  • People generally disregard the diagnostic tests for TB during infertility, unaware of the fact that it could actually be the cause of infertility.

  • Someone with TB could either depict symptoms like night sweats, constant coughing of blood, loss of appetite leading to unexplained weight loss etc.

  • while other could experience fewer or no symptoms.

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