negative tb skin test pictures

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Dr. Marcelo Laufer answered:

Can all europeans test positive for tuberculosis on the tb skin test because europeans get a vaccine for it?

No

Skin
if you get bcg (tb vaccine) you can get false positive ppd for up to 4 years. A blood test quantiferon will differentiate false positives from true positives
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If my tb skin test ran positive but I've never had tuberculosis, does that mean I have latent tb? And do I HAVE to take antiobiotics if I do have it?

Possible exposure.

Mycobacterium_tuberculosis_infection
If PPD is positive than you need a screening Chest xray. If Xray negative than 9 months of One med INH should be taken to prevent activation of possible dormant TB
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Dr. Oscar Novick answered:

Is it okay to donate blood if I had a positive tb skin test but negative chest x-ray?

Positive skin test

Skin
You can donate blood as long as you dont have active tb
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Dr. Cornelia Franz answered:

If you have a tb skin test and it turns a little red and looks like a bug bite is this a positive or negative test?

Depends

Skin
on the size of the swelling or induration. This is why they need to be seen and read 48 hours after being placed.
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Dr. Doanh Nguyen answered:

I just had a tb skin test done last week and I had it read and they said it was negative however I still have a little red bump how do I get rid of it?

PPD Test

Mycobacterium_tuberculosis_infection
You likely get a small skin reaction to TB test that is not large enough to be called positive in your case. It is a type of delayed hypersensitivity reaction due to immune cell infiltration and inflammation. You can put OTC cortisone cream on the lesion 2-3 times a day to make it go away faster.
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Is it okay to tan after tb skin test?

Yes

Tuberculosis
There is no reason to alter your schedule after a TB skin test.
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Dr. Jay Park answered:

Can induration on tb skin test be deep?

No

Tb_skin_test
Induration produced by TB skin test is a raised bump.
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Dr. Lokesh Guglani answered:

Can a TB skin test be read 24 hours later?

No

Tuberculosis
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.
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Dr. Jay Park answered:

Tb skin test and antibiotics, are they related?

No

Tb_skin_test
Adminitration of antibiotics should not affect the TB skin test.
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Can i take a shower while doing a tb skin test?

Yes

Tuberculosis
Your normal bathing habits will not have any effect on the test & your friends will appreciate it.
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