Tuberculosis || Causes,Symptoms,Diagnosis & More

Tuberculosis (TBis an airborne pathogen disease.

Tuberculosis (TB) is an infectious disease that usually affects to your lungs. But can also affect other parts of your body. Generally, it occurs due to the cause by the bacterium Mycobacterium tuberculosis (MTB).

According to a survey, in the world, 9 million people a year get sick with this disease, with 3 million of these “missed” by health systems.

Ten second summary :

Here are some important key points about TB.

  • TB is curable and preventable.
  • This disease is among the top 3 causes of death for women whose age is 15 to 44 years.
  • Its symptoms are cough, fever, night sweats, weight loss, etc.
  • The symptoms may be mild for many months.
  • The bacteria that cause TB can spread through the air from person to person.

Types of TB :

According to doctors, there are two types of TB infection, including :

  1. Latent TB : In this case, the bacteria is in inactive state of your body. They nether have any symptoms nor contagious, but they can become active.
  2. Active TB : This types of bacteria have symptoms and can be transmitted to others. Generally it occurs in the first few weeks after infection or it might occur years later.

Causes of TB :

  • TB is caused by bacteria, named Mycobacterium tuberculosis (MTB).
  • It spread through the air when a person with active TB disease in their lungs coughs, sneezes, spits, laughs, or talks.
  • Tb is not contagious. It spreads similar to cold  or the flu.
  • It also spread with a close contact with infected person.

Signs & Symptoms :  

  • Coughing that lasts three or more weeks
  • Coughing up blood
  • Very young or advanced age
  • Chest pain
  • Pain with breathing
  • Weight loss
  • Night sweats
  • Fatigue
  • nail clubbing
  • Fever
  • Feeling chills

Risk Factors :  

  • People with compromised immune systems are most at risk of developing TB.
  • The HIV-AIDS affected person.
  • Excess smoking also increase the risk of developing TB.
  • The person, who are living in crowded conditions.
  • The person who are very young or very old.
  • Person with in poor health or with a poor diet.

Some disease may increase the risks of TB, including :

When to see a doctor :

Visit to your doctor if you have a fever, weight loss, night sweats or a persistent cough. The doctor can perform tests to help determine the cause.

People who have an increased risk of TB be screened for latent TB infection. This includes:

  • The HIV-AIDS affected person.
  • Excess smoking or drug user.
  • Close contact with infected people.

Diagnosis :

At first, your doctor will ask you about your symptoms and medical history. The doctor will use stethoscope to listen to your lungs and check for swelling in your lymph nodes.

The most common diagnostic tool for TB is skin test, though blood tests are becoming more commonplace. In this case, PPD tuberculin is injected just below the skin of your inside forearm.

Your doctor can also suggest you to take some test, including :

  1. Chest X-Ray
  2. Urine test
  3. Blood test
  4. CT scan
  5. MRI scan
  6. Ultrasound scan




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