Doctor insights on:
Non Contagious Tb
Mycobacterium tuberculosis is an infectious organism that spreads by droplets coughed out by an infected person. Infection is established initially in lungs, but can spread within lungs & to other body parts, or can become latent, with reactivation occurring years to decades later. With effective treatment, it can be completely eliminated although drug resistant ...Read more
No: Latent TB is exactly what it sounds like, latent. The body has sequestered the TB away in granulomas, and treatment is to eradicate the TB so that it doesn't pop out at a later point to cause disease. There should be no active disease with TB (or else it wouldn't be latent). ...Read more
Depends: Tb is spread through the air from person to person when a person with TB in the lungs or throat coughs, sneezes or talks and another person breaths in the bacteria. People with urinary TB can also have TB outside of the urinary tract (i.e. The lungs or throat), which impacts their ability to infect others. Tb that is only in the urinary tract is rarely contagious. ...Read more
Yes but less likely: Certainly, when someone enters that chronic non-active carrier state of Hepatitis B, they typically have no detectable HBeAg (e-antigen) and only low levels of HBV DNA. However, keep in mind that this means there is still some virus in the blood, and therefore a small but real risk of transmission still exists. The Hepatitis B infection can quickly recur as well, especially if you take steroids ...Read more
No: But you clearly want to see a TB expert. Your question is unclear. With contagious TB there would be the health department on the case to avoid infection to other people. Something does not fit here. Check with your doc asap. ...Read more
A dormant infection: Latent TB is when someone gets TB and the body is able to suppress the infection but not fully get rid of the organism. They are then "dormant". When your immune system gets compromised or weakened the infection can "wake up" and reactive and become active again. ...Read moreSee 1 more doctor answer
Neither: Systemic lupus erythematosus is an autoimmune disease in other words your immune cells are causing inflammation in your your tissues and organs. It is not contagious but does occur in families related to genes but you do not catch it from another individual like you would a cold or influenza. ...Read moreSee 1 more doctor answer
Many mycobacteria: There are >200 species of mycobacteria. We worry about mycobacterium tuberculosis because it can be transmitted between people. Atypical mycobacterium, like mai, are not contageous. These are in our h2o supply ; we drink/inhale them. Most are problematic in people w/lung diseases (copd/cystic fibrosis) or those who are immunocompromised (hiv/transplant patients). In normal hosts usually no worry. ...Read more
Yes: Although not that simple. When someone has MRSA pneumonia, the droplets that come out when they cough can contain MRSA. MRSA is not airborne except in droplets and it doesn't survive long outside. It is acquired by touching a person or object that has live MRSA bacteria on it. Hand washing is best for prevention. the patient with MRSA pneumonia should be isolated and wear a mask. ...Read moreSee 1 more doctor answer
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