It is very important for your child to take this medicine and to keep appointments as directed. It is expected that rifamycins rifampin, rifapentine, and others will make urine, stool, and other body fluids such as tears and saliva turn orange. This orange color will go away at the end of therapy. During therapy, contact lenses may become permanently stained. For all other times, call , then ask to page the ID doctor on call. Skip to Content.
Urgent Care. In This Section. People who have active TB. Those who were born or have traveled or lived overseas. People who are at high risk for TB, such as those in hospitals, prisons, nursing homes, homeless shelters, or refugee camps. Many people who have latent TB infection never develop TB disease.
In these people, the TB bacteria remain inactive for a lifetime without causing disease. But in other people, especially people who have a weak immune system, the bacteria become active, multiply, and cause TB disease. When TB bacteria are active multiplying in your body , this is called TB disease. People with TB disease are sick. They may also be able to spread the bacteria to people they spend time with every day. Some people develop TB disease soon after becoming infected within weeks before their immune system can fight the TB bacteria.
Other people may get sick years later when their immune system becomes weak for another reason. For people whose immune systems are weak, especially those with HIV infection, the risk of developing TB disease is much higher than for people with normal immune systems. Very few people fall ill immediately after they breathe in TB bacteria. If it is unable to do this, it may be able to stop you from becoming ill by forcing the bacteria into a latent sleeping state.
The bacteria are still in your body, but they are not causing damage. This can happen many years after you first breathe in TB bacteria. Latent TB bacteria are more likely to wake up if you experience lifestyle stresses or other illnesses that weaken your immune system.
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