Whats the difference between TB infection and disease?
Some people develop TB disease soon after infection, while others develop TB disease later when their immune system becomes weak. affected. Persons with TB disease are considered infectious and may spread TB bacteria to others. If TB disease is suspected, persons should be referred for a complete medical evaluation.
How does TB cause disease?
When a person gets active TB disease, it means TB bacteria are multiplying and attacking the lung(s) or other parts of the body, such as the lymph nodes, bones, kidney, brain, spine and even the skin. From the lungs, TB bacteria move through the blood or lymphatic system to different parts of the body.
How do we prevent TB infection and disease?
The risk of infection can be reduced by using a few simple precautions:
- good ventilation: as TB can remain suspended in the air for several hours with no ventilation.
- natural light: UV light kills off TB bacteria.
- good hygiene: covering the mouth and nose when coughing or sneezing reduces the spread of TB bacteria.
When does TB disease occur?
How soon do symptoms appear? Most people infected with the germ that causes TB never develop TB disease. If TB disease does develop, it can occur two to three months after infection or years later. The risk of TB disease lessens as time passes.
Can TB cause death?
TB can be fatal, but in many cases, it is preventable and treatable. In the past, TB, or “consumption,” was a major cause of death worldwide.
What are the signs of TB infection?
The usual symptoms that occur with an active TB infection are: a generalized tiredness or weakness, weight loss, fever, and night sweats.
What do you need to know about TB infection?
Tuberculosis — or TB, as it’s commonly called — is a contagious infection that usually attacks your lungs. It can spread to other parts of your body, like your brain and spine. A type of bacteria called Mycobacterium tuberculosis causes it. In the early 20th century, TB was a leading cause of death in the United States.
Does TB infection spread from person to person?
Tuberculosis (TB) is a disease caused by bacteria called Mycobacterium tuberculosis. The TB bacteria can spread from person to person through the air . TB usually affects the lungs, but it can affect any part of the body, including the kidneys, spine, or brain. If not treated, TB can cause death.
What are the early signs of TB?
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. Unintentional weight loss. Fatigue. Fever. Night sweats. Chills.