How TB Is Caused?

What causes TB in lungs?

Pulmonary TB is caused by the bacterium Mycobacterium tuberculosis (M tuberculosis).

TB is contagious.

This means the bacteria is easily spread from an infected person to someone else.

You can get TB by breathing in air droplets from a cough or sneeze of an infected person..

How do TB symptoms start?

Signs and symptoms of active TB include: Coughing that lasts three or more weeks. Coughing up blood. Chest pain, or pain with breathing or coughing.

Does TB have a vaccine?

Bacille Calmette-Guérin (BCG) is a vaccine for tuberculosis (TB) disease. This vaccine is not widely used in the United States, but it is often given to infants and small children in other countries where TB is common. BCG does not always protect people from getting TB.

Where does TB come from?

Tuberculosis (TB) is caused by bacteria (Mycobacterium tuberculosis) that most often affect the lungs. Tuberculosis is curable and preventable. TB is spread from person to person through the air. When people with lung TB cough, sneeze or spit, they propel the TB germs into the air.

Can TB be cured?

TB Disease can be cured by using special drugs that kill TB germs. But TB germs are strong. It takes at least six to nine months of mediation to wipe them all out. It is very important that you take all your medicine.