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Doctor insights on: Name Of The Skin Test For Tb

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Tb i had my skin test - redness 40 mm i will do the chest xray tomorrow ! but am i contagious ? What are the side effects of the treatment for TB ?

Tb i had my skin test - redness 40 mm i will do the chest xray tomorrow ! but am i contagious ? What are the side effects of the treatment for TB ?

If you are: Coughing, you are able to spread the disease. They may try to culture to see for check for variants. Standard drugs are inh/ethambutol. Duration of therapy is long. Side effects not too troubling. ...Read more

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Dr. Scott Lindquist
586 doctors shared insights

Mycobacterium Tuberculosis Infection (Definition)

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


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Can someone who had a positive skin test for TB , 20 years ago give blood or bone marrow? But never had tb.

Check with your doc: Usually no problem. But check with your doc, especially if you have not taken medication to protect you against tb. There are 2 billion people with a positive test, world wide. ...Read more

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Is it possible to have TB with a negative skin test?

Is it possible to have TB with a negative skin test?

Yes: If the test is done early in the disease, the body will not have had time to develop the factors that make the test turn positive. Repeat testing a few months later would show positive. ...Read more

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How do I know exactly what is a TB negative skin test?

How do I know exactly what is a TB negative skin test?

+ PPD: This means that there was minimal induration on a PPD that is read 48 to 72 hours after administered. The PPD is likely to be + in someone who has been exposed to TB before or if they were previously given bcg. It is likely to be - in someone who does not fit into those categories. ...Read more

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Can a TB skin test be read 24 hours later?

No: It is recommended to wait for at least 48 hours before interpreting the size of the swelling arising at the site of the TB test. This is because the swelling continues to increase for the first 48 hours & that is how this test has been standardized. Please make sure that you do not get your test done on a thursday, so the 48 hours time point won't come over a weekend. ...Read more

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Can i take a shower while doing a TB skin test?

Can i take a shower while doing a TB skin test?

Yes: Your normal bathing habits will not have any effect on the test & your friends will appreciate it. ...Read more

Dr. Klaus D Lessnau
1,184 doctors shared insights

Tuberculosis (Definition)

Is an infection in the body with mycobacterium tuberculosis. It is almost always acquired via the respiratory tract from which it can spread to other organs. After that, the immune system walls the bacteria off. All of this usually occurs without symptoms. After that, activation of the infection can occur in about 10% of the total patients. Half of this risk is in ...Read more