How Tuberculosis affects the respiratory system?

How Tuberculosis affects the respiratory system?

TB is caused by the bacterium M tuberculosis. The infection destroys patients’ lung tissue, causing them to cough up the bacteria, which then spread through the air and can be inhaled by others. The mechanism behind this lung damage is poorly understood.

Does tuberculosis affect the lymphatic system?

For example, if tuberculosis affects the lymph nodes (about 25% of cases), it can cause swollen glands, usually at the sides and base of the neck. In tuberculosis of the bones and joints (about 8% of cases), the spine, hips and knees are the most likely sites of infection. Joints will become painful and swollen.

Is TB lymph nodes painful?

The lymph node TB usually causes a painful swelling of one or more lymph nodes. Most often, the disease is localized to the anterior or posterior cervical chains (70-90%) or supra clavicular.

What are the organs that are affected by TB?

TB most commonly affects the lungs – what’s known as the body’s pulmonary system. But it affects other organs too, what’s known as extrapulmonary TB. Other organs that can be affected include the lining covering the lungs (pleural TB); the central nervous system (TB meningitis);

Where does tuberculosis spread in the human body?

Tuberculosis (TB) is a bacterial infection spread through inhaling tiny droplets from the coughs or sneezes of an infected person. It mainly affects the lungs, but it can affect any part of the body, including the tummy (abdomen), glands, bones and nervous system.

What happens if you live with someone with tuberculosis?

Living with someone infected with TB. Close contact with someone who has TB increases your risk. Complications. Without treatment, tuberculosis can be fatal. Untreated active disease typically affects your lungs, but it can affect other parts of your body, as well. Tuberculosis complications include: Spinal pain.

What are the symptoms of TB in the body?

Skeletal TB (also called Pott’s disease) – is TB bacteria infected in the bones and/or joints. Symptoms include spinal pain, back stiffness and possible paralysis . TB Meningitis – it occurs when TB bacteria invades the membranes and fluid surrounding the brain and spinal cord. Symptoms include headaches, mental changes and comas.

How does tuberculosis kill you?

Tuberculosis can infect your bowels, causing malnutrition and death, infection through the bloodstream in the membranes of your brains, tuberculous meningitis, this will kill you too, bone tuberculosis usually won’t kill, but maim you seriously, e.g. having a vertebra collapse.

What organs does TB affect?

While TB usually affects the lungs, it can also affect other organs, such as the kidneys, spine, bone marrow, and brain. Symptoms will vary depending on which organ is infected. For example, tuberculosis of the kidneys can cause you to urinate blood.

What organism causes tuberculosis?

Infectious disease caused by the bacterium Mycobacterium tuberculosis. Tuberculosis (TB) is an infectious disease usually caused by Mycobacterium tuberculosis (MTB) bacteria.

What are the early signs of tuberculosis?

Symptoms of Tuberculosis. Generally, people only show symptoms of tuberculosis when they have the active form of the disease. Early signs and symptoms may include fever, chills, and loss of appetite. The more specific symptoms of the condition include cough that lasts 3 weeks or longer, pain in the chest, and coughing up blood.