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Doctor insights on: Dizzy After Tb Skin Test

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Are there any serious side effects of having a tb skin test done? Felt dizzy and lightheaded after 5 minutes of having it but it got better

Are there any serious side effects of having a tb skin test done? Felt dizzy and lightheaded after 5 minutes of having it but it got better

No: It appears you had something short of a fainting response to the event. This can come on several minutes after the actual event, but is not specific to this test, just the way your body responded to the stress. ...Read more

Dr. Scott Lindquist
615 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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What to expect after TB skin test/shot? Soreness, red, swelling...Etc and should I keep a bandage on it?

What to expect after TB skin test/shot? Soreness, red, swelling...Etc and should I keep a bandage on it?

Swelling and redness: Only if you were exposed to someone with active tb. The diameter of induration is measured at 48-72 hours after the skin test. No need to put a bandage on. ...Read more

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What happens if you scratch or sleep on a TB skin test?

What happens if you scratch or sleep on a TB skin test?

Nothing will happen: Nothing will happen with either of those things. The TB test helps determine if you have ever been exposed to the TB bug & whether your immune system (specifically your t cells) has been primed against this bug. The test is read within 48-72 hours after being given & will help determine if you have been exposed or not. Further testing is required after a positive test. ...Read more

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Why dies my skin turn red after a TB skin test?

Why dies my skin turn red after a TB skin test?

Reaction: Depending if there is only redness, it isw allergic reaction, but if there is induration more than 5mm for HIV pts and 10 mm for other pts it is opositive test. ...Read more

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Is it true that a TB skin test is the same as a TB immunization?

Is it true that a TB skin test is the same as a TB immunization?

No: The skin test injects a set amount of purified protein into the skin to detect prior exposure to tb. A positive test shows the person has developed antibodies to the test and make it turn red and develop a thick spot where the injection occurred. The immunization injects bcg that stimulates the body to make antibodies. ...Read more

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Hoping you can tell me, is TB skin test the same as a TB immunization?

Hoping you can tell me, is TB skin test the same as a TB immunization?

No: Tb skin test is a diagnostic test that helps determine if someone has ever been exposed to tb. It offers no protection against future infection. Tb immunization is being practiced in countries with a high prevalence of TB infection by using the bcg vaccine that is usually given at birth to all newborns in those countries. It has a variable efficacy in protecting against TB that ranges from 0-80%. ...Read more

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If a person had TB as child and underwent treatment for it, could he have a false positive TB skin test as an adult?

If a person had TB as child and underwent treatment for it, could he have a false positive TB skin test as an adult?

Yes: Once you had a positive PPD test, it will stay positive whole your life. Chest x-ray, what you need to do every few years. ...Read more

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What do you suggest if I had a TB skin test (injection) 3 days ago yet there isn't any reactions (red spots) is that okay?

What do you suggest if I had a TB skin test (injection) 3 days ago yet there isn't any reactions (red spots) is that okay?

Negative test: If the test is done properly no bump means that the test is negative. Sometimes a second test is done after 2 weeks (like a booster) to rule out a false negative test. ...Read more

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I had my TB skin test done yesterday and now I'm looking at my arm and the skin is flat and red. What do I do, what would you recommend?

I had my TB skin test done yesterday and now I'm looking at my arm and the skin is flat and red. What do I do, what would you recommend?

TB test: Wait and try to not worry. The TB test can only be interpreted between 48 to 72 hours after it is placed, and it must be raised and firm to be a positive reaction. The diameter at which it is considered positive can vary from between 5 to 15 millimetres depending on various factors. ...Read more

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I just had my TB skin test on Thurs and I noticed my skin is a little bit elevated at the site of injection with erythema around it?? positive result??

Depends: On the onset of redness/elevation from the time testing and the diameter of the elevated area, also if you have had BCG vaccination as a child, that can be very well a false positive test, alternate blood testing can be used, good luck ...Read more

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TB skin test done. Today I can hardly notice anything on arm just a small dot that's left. Is this normal? Never even had a small bump when it was don

Negative result: If you have ever been exposed to TB (by having it yourself or being close to someone who has), then your body will react to the TB skin test and make a big bump. The fact that your body didn't react means that you have never been exposed to TB and is a negative result! Have a medical professional read the result 48-72 hours after the TB test was applied! ...Read more

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Can induration on TB skin test be deep?

No: Induration produced by TB skin test is a raised bump. ...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

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How frequently should I get two-steps TB skin test?

Not frequently: Unless you are exposed in your job or it is needed for your job. Some health care workers get it yearly. ...Read more

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What to do if I have a positive on my TB skin test?

Seek out information: Most will be followed first with a chest x-ray looking for active pulmonary disease. If negative, you are likely started on one TB drug, depending on your local as treatment for latent (quiet) tb. If you are found to have active tb, you are likely started on a 4 drug program that lasts for up to a year to knock it out. Get with your doc to see. ...Read more

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Can a person acquire an immunity to the TB skin test?

Can a person acquire an immunity to the TB skin test?

No: Fortunately not or we would not be able to perform this test on more than one occasion. ...Read more

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Could a positive TB skin test mean you always have tb?

POSITIVE PPD: NO. Sometimes it is due to immunization given before. Take a chest x-Ray to find any lesion in the lungs. ...Read more

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Should I concerned that my TB skin test came back positive?

Not really: It does mean your have been exposed and will need treatment to prevent it from worsening TB is a very slow growing germ...
I would also suggest consulting a chinese medicine practitioner as many herbs are very helpful in helping the body heal itself.... ...Read more

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What is a TB skin test and what are the procedures (injection)?

Skin test: It is a liquid (purified protein derivative) that is injected under the skin on the forearm (the ventral side or underside of the forearm) as a bleb that goes away. It tests to see if you were exposed to tb. When it is positive there is an indurated (raised and red) reaction bigger than a dime. It has to be read 2 days after it is done. ...Read more

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Is it possible for a person to have an alleregic reaction to a TB skin test, if so what are the symptoms?

Yes: In rare cases, the reaction to the skin test can be so severe as to cause skin peeling and even an ulceration. This is not an allergy. Theoretically you can have an allergy to the skin test, but it is exceedingly rare. ...Read more

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Are there any age restrictions for the TB skin test?

Are there any age restrictions for the TB skin test?

Not aware of any: But with advancing age, the response to the skin test may be falsely negative. There are newer tests available which work by assessing the lymphocytes capacity to respond to antigenic stimulation by a component of the tubercle bacillus, but whether this differs in age groups I do not know. ...Read more

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I have a severe cold is if okay to get a TB skin test?

Sure: Cold will not interfere with the TB skin test result. ...Read more

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Is it normal that a TB skin test causes bleeding a lot?

Is it normal that a TB skin test causes bleeding a lot?

No but....: No, but may occur if the administration of the test is traumatic. Also may happen if you are taking medicine that has an anticoagulant effect, such as daily aspirin. Or if you have a bleeding problem. ...Read more

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Found out TB skin test positive and stressed please help?

Found out TB skin test positive and stressed please help?

Don't be: Don't be stressed. You need a chest x-ray and a screening by your doctor. At your age, if your chest x-ray is normal and you have no risk factors you may not need any treatment. If you have risk factors, treatment of latent TB has become much easier in the last year. If you are determined to have active TB you can be cured with 6 months of TB therapy. ...Read more

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Will the TB skin test cause a side effect of diarriah?

NO RELATIONSHIP: Tb skin test is an intra-dermal test where very minute amount of reagent is injected into the skin. Nothing to do with the GI system. ...Read more

Dr. Dariush Saghafi
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