Tuberculosis? - Answers

What is tuberculosis?

Tuberculosis (TB) is a bacterial infection that usually affects the lungs. It can spread to other parts of the body, including the brain, kidneys, or spine.

What causes tuberculosis?

TB is caused by a bacterium called Mycobacterium tuberculosis. The bacteria are spread through the air when an infected person coughs, sneezes, or talks.

Who is at risk for tuberculosis?

Anyone can get TB, but some people are at higher risk, including:

* People who have been in close contact with someone with TB

* People who live in or have traveled to countries where TB is common

* People with weakened immune systems, such as those with HIV/AIDS, diabetes, or cancer

* Children under the age of 5

What are the symptoms of tuberculosis?

The symptoms of TB can vary depending on the location of the infection. In most cases, people with TB have:

* A persistent cough that lasts for more than 2 weeks

* Fever

* Chills

* Night sweats

* Weight loss

* Fatigue

* Weakness

How is tuberculosis diagnosed?

TB is diagnosed with a skin test or a blood test. In some cases, a chest X-ray or a sputum culture may also be needed.

How is tuberculosis treated?

TB is treated with antibiotics. The treatment usually lasts for 6 to 9 months.

Can tuberculosis be prevented?

There is a vaccine for TB, but it is not widely used in the United States. The best way to prevent TB is to avoid contact with people who have the infection. If you have been exposed to TB, talk to your doctor about getting tested.

What are the complications of tuberculosis?

TB can lead to serious complications, including:

* Death

* Permanent lung damage

* Spread of the infection to other parts of the body

* Disability