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In people who develop active TB of the lungs, also called pulmonary TB, the TB skin test will often be positive. In addition, they will show all the signs and symptoms of TB disease, and can pass the bacteria to others. So, if a person with TB of the lungs sneezes, coughs, talks, sings, or does anything that forces the bacteria into the air ...
Most infections show no symptoms, in which case it is known as latent tuberculosis. [1] Around 10% of latent infections progress to active disease that, if left untreated, kill about half of those affected. [1] Typical symptoms of active TB are chronic cough with blood-containing mucus, fever, night sweats, and weight loss. [1]
People with inactive or latent TB will not develop symptoms, unless they develop active TB. “The hibernating bacteria in those individuals can recur and cause illness in that person, 10, 15, 20 ...
At this point somebody has developed primary tuberculosis, which means that they have signs of infection soon after being exposed to TB. Even though it sounds bad, most people at this stage are actually asymptomatic or maybe have a mild flu-like illness. About 3 weeks after initial infection, cell-mediated immunity kicks in, and immune cells ...
Under the US recommendations, diagnosis and treatment of latent tuberculosis infection (LTBI) is considered for any BCG-vaccinated person whose skin test is 10 mm or greater, if any of these circumstances are present: [citation needed] Was in contact with another person with infectious TB; Was born or has resided in a high TB prevalence country
[2] [3] Cigarette smokers are 25% more likely to have lung damage, and more severe damage, after cure of a TB infection. [5] People who cook with 3-4 stoves instead of 1-2 stoves are more likely to have lung damage. A lack of heating also increased how often symptoms occurred. Alcoholism also increased the risk of PTLD. Ambient air pollution ...
Although the host may not be experiencing symptoms, the virus can still be passed on to others. It is also possible for the infection to become symptomatic after this incubation period. Whether the host is showing symptoms or not, opportunistic infections can take advantage of the weakened immune system and cause further complications. [20]
The symptoms of abdominal tuberculosis depends on the sites of involvement. The most common symptoms and signs of abdominal tuberculosis are abdominal pain, ascites and intestinal obstruction. Other clinical features are fever, altered bowel habits, loss of weight and a feeling of lump in the abdomen. [ 5 ]