FAQ: What is tuberculosis?

How does tuberculosis kill?

If the immune system can ‘t stop TB bacteria from growing, the bacteria begin to multiply in the body and cause TB disease. The bacteria attack the body and destroy tissue. If this occurs in the lungs, the bacteria can actually create a hole in the lung.

How do you get tuberculosis?

TB bacteria are spread through the air from one person to another. The TB bacteria are put into the air when a person with TB disease of the lungs or throat coughs, speaks, or sings. People nearby may breathe in these bacteria and become infected.

Where does tuberculosis come from?

tuberculosis was originated in East Africa about 3 million years ago. A growing pool of evidence suggests that the current strains of M. tuberculosis is originated from a common ancestor around 20,000 – 15,000 years ago.

Can you get rid of tuberculosis?

The only way to get rid of TB germs is by taking TB medicines. You will need to stay on TB medicine for 3, 6, or 9 months, depending on what your doctor thinks is best for you . Talk to your healthcare provider if your medicine is making you feel sick. Any medicine can cause side effects, including TB pills.

Is TB painful?

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.

How long does TB take to kill?

TB bacteria die very slowly. It takes at least 6 months for the medicines to kill all the TB bacteria.

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Can you kiss someone with tuberculosis?

Kissing , hugging, or shaking hands with a person who has TB doesn’t spread the disease. Likewise, sharing bed linens, clothes, or a toilet seat isn’t how the disease spreads either.

Is it safe to be around someone with TB?

It is important to know that a person who is exposed to TB bacteria is not able to spread the bacteria to other people right away. Only persons with active TB disease can spread TB bacteria to others. Before you would be able to spread TB to others, you would have to breathe in TB bacteria and become infected.

Can you get TB from kissing?

You cannot get TB germs from: Saliva shared from kissing . TB is NOT spread through shaking someone’s hand, sharing food, touching bed linens or toilet seats, or sharing toothbrushes.

What happens if you test positive for TB?

A positive TB test result means only that TB bacteria has been detected. It does not indicate whether the person has active TB or a latent infection. This requires additional testing . TB disease can be diagnosed by medical history, physical examination, chest X-ray, and other lab tests .

Who is most at risk for tuberculosis?

Persons who have been Recently Infected with TB Bacteria Persons who have immigrated from areas of the world with high rates of TB. Children less than 5 years of age who have a positive TB test. Groups with high rates of TB transmission, such as homeless persons, injection drug users, and persons with HIV infection .

What are the stages of tuberculosis?

There are 3 stages of TB : exposure, latent, and active disease. A TB skin test or a TB blood test can often diagnose the infection.

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Does TB stay in your system forever?

Many people who have latent TB infection never develop TB disease . In these people, the TB bacteria remain inactive for a lifetime without causing disease . But in other people, especially people who have weak immune systems , the bacteria become active, multiply, and cause TB disease .

Can lungs recover after TB?

The resulting lung infection is called primary TB . Most people recover from primary TB infection without further evidence of the disease. The infection may stay inactive (dormant) for years. In some people, it becomes active again (reactivates).

What are the 3 types of tuberculosis?

Tuberculosis: Types Active TB Disease. Active TB is an illness in which the TB bacteria are rapidly multiplying and invading different organs of the body. Miliary TB. Miliary TB is a rare form of active disease that occurs when TB bacteria find their way into the bloodstream. Latent TB Infection.

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