And strategies for prevention And medical intervention All for Pulmonary TB
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Pulmonary tuberculosis is caused by a bacteria called Mycobacterium tuberculosis (M. tuberculosis). You can get tuberculosis by breathing in air droplets from a cough or sneeze of an infected person. The primary stage of the infection is usually asymptomatic (without symptoms). In the United States, most people will recover from primary TB infection without further evidence of the disease. However, in some cases, the disease may become active within weeks after the primary infection, or it may lie dormant for years and later reappear. The following are at higher risk for active TB: Elderly Infants Persons with weakened immune systems, for example due to AIDS, chemotherapy, or antirejection medicines given after a organ transplant Your risk of contracting TB increases if you: Are in frequent contact with people who have the disease Live in crowded or unsanitary living conditions Have poor nutrition The following factors that may increase the rate of tuberculous infection in a population: Increase in HIV infections Increase in number of homeless individuals (poor environment and poor nutrition) The appearance of drug-resistant strains of TB In the United States, there are approximately 10 cases of TB per 100,000 people. However, rates vary dramatically by area of residence and socioeconomic class. Treatment The goal of treatment is to cure the infection with drugs that fight the tuberculosis bacteria. The intial treatment may involve a combination of many drugs. It is continued until lab tests show which medicine works best. Treatment usually lasts for 6 months, but longer courses may be needed for persons with AIDS or whose disease responds slowly. You may need to be admitted to a hospital to prevent the spread of the disease to others until you are no longer contagious. Incomplete treatment of TB infections (such as failure to take medications for the prescribed length of time) can contribute to the emergence of drug-resistant strains of bacteria. Much more info in link
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