TB skin test...a reaction??

  1. 0
    On tuesday I went down to employee health services to get a physical for my new job (I am a recent grad) and got the regular work up. I did a drug screen, tb test, blood draw for titers.
    I went back on thursday to get my tb test read. The NP marked it a positive. I have a red blotch on my arm from the test and absolutly no induration. She sat there with ther eyes closed, used her other hand and said no induration, but I dont like this. Then proceeded to talk to me about getting in contact with the health dept, omg!
    Now this blotch on my arm is bruised in it and I can see the needle insertion site. Is this normal. My previous tb tests never caused any problems. I am getting a bit nervous here. I am scheduled to go back on tuesday for another test. Any thoughts?
    Also my drug test results have yet to come back. I am drug free, what is the hold up there? She asked if I was sure I had not taken any drugs.
    I guess it was just not my day...
  2. 19 Comments so far...

  3. 0
    I always seem to get a localized red, itchy reaction with every TB test I get, but they always come back negative, even if the irritation is still present. The bruse kinda concerns me. It seems to me that when we learned about giving ID shots (aka TB tests) you should not bruise. I think they said if you bruise, the needle went to far and the results are invalid... maybe I am just thinking I remember that, but I really seem to recall that.... hopefully someone else on here has more definite answers for you. Good Luck with all the rest of your tests!
  4. 0
    I have been getting a reaction to my PPD for about 3 years now. It is very similar to what you describe. It is a large red mark at the site where the test was given. There is never any induration and the test is always read as negative. One person told me that it could be an allergic reaction.
  5. 0
    I get that same reaction every year and every year the nurse looks at it and tells me it is a mild allergic reaction. It concerned me at first but now I warn the employee health nurse before she does it. I can have the red mark and bruise for up to a week. Hope this helps
  6. 0
    Ok, well I feel much better now. Thanks for sharing that with me. I will let the NP know about this on tuesday when I go back for my retest.

    Thanks for the help!
  7. 0
    all tb- or ppd skin test means is when you have itchy or skin swells up theres two possibilities you have tb which is air born or you have been exposed to tb. or you have tb. i have been exposed because i worked in nursing home for long time as cna so when they did ppd mine came out positive my site was red swelled up size of quater. so now i have to take a chestx-ray which i dont like because of radation im not sure it so safe?
    if you do have tb they usually give meds for awhile and chest x-ray
  8. 0
    I did som TB testing in the past--I remember learning that 40% all TB tests either bruise, bleed or both. Mine always did. It was recorded as a 4mm "bruise" on the report slip. When I read a test, I was instructed to flex the hand towards the elbow so the surface of the arm was relaxed. I went by feel, not by sight. Redness didn't count, induration did.

    I suggest you go to the health department, tell them your story and ask for another skin test. You could also go to your regular health care practitioner.

    Good Luck! Don't worry yet, OK?
  9. 0
    I test positive. I have since I was four. Just means I was exposed. I have to get chest xrays instead of ppd. no big deal. The funny thing is my twin brother still tests negative. I can't imagine how I got exposed and he didn't.
  10. 0
    tuberculin skin tests

    measure the induration - not erythema.

    correct injection technique:
    http://www.nurse.net/clinical/tb/


    complete info:
    http://my.webmd.com/hw/health_guide_atoz/hw203560.asp


    test interpretation:
    http://www.nationaltbcenter.edu/reso...x_tst_read.pdf
  11. 0
    Quote from LindseyLou2222
    Ok, well I feel much better now. Thanks for sharing that with me. I will let the NP know about this on tuesday when I go back for my retest.

    Thanks for the help!
    A positive reaction only indicates that you have had some exposure to the bacteria. An X-ray is followed up to show that you have no disease.
    I have had much exposure to TB, as I worked in TB for many years (before Izoniazid). My reaction is strongly positive, but no disease.


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