Causes Of Tuberculosis:
Tuberculosis or TB is infectious. It is caused by a bacteria Mycobacteria tuberculosis. It can spread from a person to person. It usually spreads when a person is infected with TB disease coughs or sneezes and someone else inhales that expelled droplets.
Symptoms of Tuberculosis:
1. Pain in chest.
2. Pain can occur during breathing.
3. Cough can be chronic and sometimes there might be a discharge of blood with a cough.
6. Loss of appetite.
8. Night sweats.
10. Loss of muscle.
12. Severe weight loss.
13. Shortness of breath.
14. Swollen lymph nodes.
The most common way to diagnose tuberculosis is a simple skin test. A meager amount of a substance called PPD tuberculin is injected. It is injected below the skin of your forearm. Only a slight needle prick can be felt by the individual taking the test. A health professional will then check whether there is any kind of swelling found in your hand or not within 48 to 72 hours. If there is a hard, raised red lump, it means you are infected with tuberculosis. But sometimes, results can be wrong too. Like, for example, when a person has TB, this test might fail and show that he/she might not have it. Or when a person doesn’t have TB, this test might fail and show that he/she might have it. So, here the question arises why does it give a false positive report? The reason behind this false-positive test occurs usually if you’ve been vaccinated with the bacillus Calmette-Guerin (BCG) vaccine recently.
Another question that arises is why does it give a false negative report? Often there are false-negative results. These occur in certain populations — including children, older people, and people with AIDS. It also occurs in those individuals who sometimes do not respond to the TB skin test. The result can also occur in people who've recently been infected with TB, but whose immune systems have not yet reacted to the bacteria.
There are more ways in which you can diagnose your TB:
• Blood tests: Blood tests are also used to confirm the latent or active tuberculosis. These tests are very much effective as they use sophisticated technology to measure your immune system’s reaction to TB bacteria. Only a single blood test can be very useful if you’re at high risk of TB infection but have a negative response to the skin test, or if you’ve recently received the BCG vaccine.
• Imaging tests.
• Sputum tests.
Tuberculosis is infectious yet not contagious. So, cover your mouth when you cough. And consult a doctor before taking any medications as they have side effects.