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what does a skin reaction to a tb test look like

A 27-year-old female asked:
Dr. Ariel Lopez-chavez
19 years experience Medical Oncology
1 to 3 days: It can take 1 to 3 days to get to its worst. This is for some people that have reactions after they have a positive test. If you are referring to a ty ... Read More
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A 44-year-old member asked:
Dr. Michael Ein
48 years experience Infectious Disease
See below: A positive PPD is determined by the presence of swelling(induration) around the injection site. Little or no swelling indicates a negative test. Red ... Read More
A 41-year-old member asked:
Dr. Heidi Fowler
25 years experience Psychiatry
No: Why would one want to be dishonest about this?
A 43-year-old member asked:
Dr. Heidi Fowler
25 years experience Psychiatry
Yes: Not to worry - this doesn't mean your test is positive.
A 59-year-old female asked:
Dr. Scott Lindquist
29 years experience Pediatrics
No...actually: The zn stain is a broad stain for acid fast bacilli of which mycobacterium tuberculosis is one of many. The specific tests like quantiferon or the pc ... Read More
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A 38-year-old member asked:
Dr. Heidi Fowler
25 years experience Psychiatry
Too general : a question to be helpful. Is she concerned about induration that is palpable? An area of redness? Has she been in close contact wtih someone who has ... Read More
A 44-year-old member asked:
Dr. Luis Taylor
A Verified Doctor answered
A US doctor answered Learn more
May need a: chest xray. There is a blood test called Gold's Quanitferon test your friend could do at a hospital or clinic.
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A 48-year-old female asked:
Dr. Dean Giannone
25 years experience Internal Medicine
Wait...: a true reading cannot be obtained before 48 hours. We usually read the PPD test in 48-72 hours.
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A member asked:
Dr. Klaus d Lessnau
36 years experience Pulmonary Critical Care
Check with your doc: That usually resolves. Hundreds of millions have received the test. However, the blood test igra is better anyway.
A 41-year-old member asked:
Dr. Hashmat Rajput
39 years experience Internal Medicine
Positive PPD test: A positive TB test should look like hard, raised bump with size >5to15 mm depending of the risk category you are in. It should be read in between 4 ... Read More

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