Saturday, November 8, 2008

is it positive for tuberculosis if you have a bump there a week after the test


is it positive for tuberculosis if you have a bump there a week after the test?
i took a tuberculosis test (the shot), and got it checked 3 days later. it came out negative, and there was no bump. about half a week later, i noticed the place where i got the shot became a red bump. even though it came out negative when the doctor checked it, and it showed up after 72 hours, can this mean i have tuberculosis?
Other - Health - 2 Answers
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1 :
No, if it was negative at 72 hours, it was negative. But what may happen is a localized infection at the injection site. How large is it? You may want to use a pen to mark the borders of the red area so you can see if it gets larger...if the area feels warm to touch, you have a fever, I would call a dr.
2 :
It is most unlikely, but not impossible. Repeat the skin test in one year. If it's negative then, fine. If it turns positive then you'll likely need a chest X-ray and perhaps, as a recent "converter" you might be started on a Tb antibiotic even if you appeare well. The late appearing bump might have been the result of unconscious scratching from itching at the injection site



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