How does latent tb become active




















When someone with TB in their lungs coughs or sneezes, they send TB bacteria into the air. If you breathe in these bacteria, one of three things will happen:.

If you have active TB, the bacteria are making you ill and you might be passing TB on to other people. Active TB can be very harmful to your health, but it can be cured with a course of medicine. Tell your doctor about other medicines you are taking. Do not take Levofloxacin within 2 hours of eating or drinking any milk-based products, antacids, or multivitamins.

If you have diabetes, check your blood sugar levels regularly. Avoid becoming pregnant while taking Levofloxacin. Call your doctor or nurse right away if you become pregnant. Some people do have problems, such as: Upset stomach or vomiting Headache or dizziness light headedness Severe diarrhea Pain in your abdomen Skin rash or itching Yellow skin or eyes Pain, burning or tingling in your hands or feet Pain in your muscles or joints Feelings of darkness or changes in mood If you have any of these problems: Stop taking your medication.

Call your doctor or nurse right away. Do not wait for your next appointment. Here are some ways to help remember: Keep your Levofloxacin where you will see it. Take your Levofloxacin at the same time of day. For example, after you brush your teeth or just before you go to sleep. Organ transplant recipients. Persons who are immunosuppressed for other reasons e. Of note, people born in Canada, Australia, New Zealand, or Western and Northern European countries are not considered at high risk for TB infection, unless they spent time in a country with a high rate of TB.

Injection drug users. Residents and employees of high-risk congregate settings e. Mycobacteriology laboratory personnel.

Children under 4 years of age, or children and adolescents exposed to adults in high-risk categories. Related Links. This is also when the disease can spread to others. The difference between active and latent TB is the amount of organisms in the body, according to Dr. The most common kind of tuberculosis, pulmonary tuberculosis, typically causes the following symptoms: 5, In addition to the lungs, tuberculosis can affect other parts of the body, including the lymph nodes, other internal organs, bones and joints, or the brain.

This form of the disease, called extrapulmonary tuberculosis, also causes fatigue, fever, night sweats, weakness, and weight loss, and may also cause other symptoms depending on what body parts are affected. Active TB is curable, but the disease can be deadly if left untreated. Tuberculosis is spread through the air, which means you can only get it by breathing contaminated air.

If someone who is actively sick talks, coughs, sneezes or speaks, they can spread TB. According to the World Health Organization WHO , people with active TB can infect 10 to 15 other people they come into regular close contact with in the course of a year.

If a first screening was negative, she recommends going in for testing again, especially if you experience any respiratory symptoms. According to Gaffney-Adams, who has treated several cases of both latent and active TB, night sweats is a very common symptom in TB.

Because there are so many drug-resistant strains of TB, people with active disease must take more than one antibiotic to ensure that all of the bacteria are killed. In addition, because tuberculosis bacteria grow slowly, it's necessary to take the antibiotics for at least six months.

One major concern in the treatment of active TB is making sure people continue to take the medication even after symptoms have gone away. People typically need to take medication for about a year, so they often get tired of it and forget, says Robert Amler, MD , dean and professor of public health, and professor of pediatrics and environmental health science at New York Medical College in Valhalla, New York.

Stopping the drugs early can cause the TB bacteria to return, and that bacteria may not respond to drugs that worked the first time.



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