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Had A Tuberculin Skin Test. Looks Like A Bubble. Raised And Hurting. Advise?

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Posted on Sat, 28 Sep 2013
Question: I had a tb skin test 6 days ago and got another today. The nurse practitioner didn't make it what I call bubble when I said something to her she said it doesn't have to now 5 and a half hours later it raised and hurting. What should I do?
doctor
Answered by Dr. Vaibhav Gandhi (1 hour later)
Brief Answer:
Its induration which needs to be checked

Detailed Answer:
Hello

In TB skin test we check for the reaction of our body immune system to deactivated tubercular antigen.
We look for induration of particular size after 48 hours of giving antigen.
Tuberculin test positive means your body is sensitized to tubercular antigen and antibody are already formed.

So it is possible that after TBskin test you will get induration but it may reduce by 48 hours so you need to wait.
If pain becomes intolerable you need to consult your treating doctor as it can be early Fernandez reaction to your TB skin test.

Hope this answers your query. If you have additional questions or follow up queries then please do not hesitate in writing to us. I will be happy to answer your queries.

Wishing you good health.

Take care
Note: For further follow up on related General & Family Physician Click here.

Above answer was peer-reviewed by : Dr. Shanthi.E
doctor
Answered by
Dr.
Dr. Vaibhav Gandhi

Orthopaedic Surgeon

Practicing since :1998

Answered : 5164 Questions

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Had A Tuberculin Skin Test. Looks Like A Bubble. Raised And Hurting. Advise?

Brief Answer:
Its induration which needs to be checked

Detailed Answer:
Hello

In TB skin test we check for the reaction of our body immune system to deactivated tubercular antigen.
We look for induration of particular size after 48 hours of giving antigen.
Tuberculin test positive means your body is sensitized to tubercular antigen and antibody are already formed.

So it is possible that after TBskin test you will get induration but it may reduce by 48 hours so you need to wait.
If pain becomes intolerable you need to consult your treating doctor as it can be early Fernandez reaction to your TB skin test.

Hope this answers your query. If you have additional questions or follow up queries then please do not hesitate in writing to us. I will be happy to answer your queries.

Wishing you good health.

Take care