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What is the main cause of tuberculosis?

2022-07-11 06:00:02
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What is the main cause of tuberculosis?

Tuberculosis (TB) is caused by a type of bacterium called Mycobacterium tuberculosis. It's spread when a person with active TB disease in their lungs coughs or sneezes and someone else inhales the expelled droplets, which contain TB bacteria.

What does tuberculosis do to a person?

Tuberculosis (TB) is a disease caused by germs that are spread from person to person through the air. TB usually affects the lungs, but it can also affect other parts of the body, such as the brain, the kidneys, or the spine. A person with TB can die if they do not get treatment.

How do you get tuberculosis?

How did I get TB disease? TB is spread through the air from one person to another. The TB germs are passed through the air when someone who is sick with TB disease coughs, laughs, sings, or sneezes. If you breathe air that has TB germs, you may get TB infection.

Does tuberculosis go away?

Pulmonary tuberculosis frequently goes away by itself, but in more than half of cases, the disease can return.

How long can you live with tuberculosis?

Left untreated,TB can kill approximately one half of patients within five years and produce significant morbidity (illness) in others. Inadequate therapy for TB can lead to drug-resistant strains of M. tuberculosis that are even more difficult to treat.

Is TB painful?

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

Does tuberculosis have a vaccine?

The BCG vaccine protects against tuberculosis, which is also known as TB. TB is a serious infection that affects the lungs and sometimes other parts of the body, such as the brain (meningitis), bones, joints and kidneys.

What is the fastest way to cure TB?

The usual treatment is:

  1. 2 antibiotics (isoniazid and rifampicin) for 6 months.
  2. 2 additional antibiotics (pyrazinamide and ethambutol) for the first 2 months of the 6-month treatment period.

Is tuberculosis a virus?

Tuberculosis is a bacterial disease caused by Mycobacterium tuberculosis. TB usually affects the lungs but it can also affect other parts of the body such as the brain, lymph nodes, kidneys, bones, joints, larynx, intestines or eyes. As a result, two TB-related conditions exist: TB infection and TB disease.

Can tuberculosis come back?

Even if you successfully beat tuberculosis, you can get tuberculosis infection again. In fact, TB reinfection is becoming more common. Tuberculosis is a potentially life-threatening, airborne bacterial infection that can be found worldwide.

What are the 3 stages of TB?

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

Is a TB cough wet or dry?

Cough lasting more than three weeks is often a first symptom of active tuberculosis (TB). It can start as a dry irritating cough. It tends to continue for months and get worse. In time the cough produces a lot of phlegm (sputum), which may be bloodstained.

What TB smells like?

Tuberculosis (TB)

TB has an odour like stale beer. The smell is present in the breath, and changes as the disease progresses. The skin smells like “wet brown cardboard and brine”.

When do TB symptoms start?

TB disease usually develops slowly, and it may take several weeks before you notice you're unwell. Your symptoms might not begin until months or even years after you were initially infected. Sometimes the infection does not cause any symptoms.

Is TB cough worse at night?

Initially, people with pulmonary TB have a dry, persistent cough. This cough is often worse at night. This symptom shows in about 85% of people with pulmonary TB. Often the cough is accompanied by fever, also worse at night, and in combination with excessive sweating.

Is asthma and TB same?

Asthma and pulmonary tuberculosis (PTB) are disease entities with different pathogenesis. However, endobronchial tuberculosis (EBTB), a peculiar form of PTB, can mimic the symptoms of asthma. Although uncommon, the coexistence of asthma and PTB can appear.

Is cold a symptom of TB?

Early stages of pulmonary tuberculosis present cold-like symptoms. The symptoms during the early stages of pulmonary tuberculosis are similar to those of a common cold: cough, phlegm, and fever.

When will TB cough stop?

Usually TB affects the lungs. The symptoms of active TB in the lungs include: Bad cough that lasts 3 weeks or longer. Coughing up blood or sputum (mucus from deep inside the lungs)

Is TB 100% curable?

Tuberculosis (TB) is 100% curable if treated with the approved four drug combination for a minimum of six months. You will start feeling better within two to four weeks after starting treatment. However, it is very important to complete the whole course of antibiotics or; else the disease will get worse.

Can lungs heal after TB?

Researchers have found that more than one-third of patients who are successfully cured of TB with antibiotics developed permanent lung damage which, in the worst cases, results in large holes in the lungs called cavities and widening of the airways called bronchiectasis.

Is TB curable at last stage?

Although you may feel better, if you don't finish treatment the TB bacteria are still in your body. You could become seriously ill, develop drug-resistant TB or pass TB on to others. Remember – TB can be fatal. Finishing treatment is the only way to cure tuberculosis completely.