Doctor insights on:
Positive Tb Skin Test Reaction
Normal chest X-ray & abdominal/pelivic CT scan, but positive TB skin test? I have low grade fevers, extreme fatigue & swollen lymph nodes. Tb?
Mycobacterium tuberculosis is an infectious organism that spreads by droplets coughed out by an infected person. Infection is established initially in lungs, but can spread within lungs & to other body parts, or can become latent, with reactivation occurring years to decades later. With effective treatment, it can be completely eliminated although drug resistant ...Read more
Tested positive for TB skin test in the past, and was given TB skin test to recheck, now have the reaction on both arms. Doc was told she tested +.
Different cutoffs: Positive result for TB skin test is based on the size of the swelling (induration) at the site of TB test & additional risk factors that you have for acquiring tb. There are 3 cut offs for determining positive result (5, 10 & 15mm) & each one has different criteria for being used as cutoff for your test. Talk to your doctor to find out whether your test is positive or not based on these factors. ...Read more
I just had my TB skin test on Thurs and I noticed my skin is a little bit elevated at the site of injection with erythema around it??positive result??
Is it possible for a person to have an alleregic reaction to a TB skin test, if so what are the symptoms?
Was it allergic?: Was the reaction an allergic reaction or was it a positive sin test? There are components in the test that one can react to in an allergic fashion...The area can be red and itchy. But if it is raised and red and approx the size of a dime, it is a positive test and means you have been exposed to tb. ...Read more
Not necessarily: (+) PPD means that you have been exposed to the TB agent. It doesn't say when. So if you had the TB in the past, it still will be (+) because your body "remembers" from the previous exposure. The greatest risk is if the TB agents are latent in your body, that's why everyone with a (+) PPD will have either a complete treatment with 4 medications or a mild one with only one. Your PPD will remain (+). ...Read moreSee 3 more doctor answers
If a person had TB as child and underwent treatment for it, could he have a false positive TB skin test as an adult?
If I had a positive TB skin test but a negative xray do I need medication? My doctor didn't say I did
Positive skin test: You can donate blood as long as you dont have active tb. ...Read more
How do doctors differentiate between a positive TB skin test due to BCG vaccine vs latent TB infection?
Blood test: There is a blood test which can help tell the difference. ...Read more
Always had positive TB skin test last chest X-ray 5 yrs ago now have supraclavicular swelling after prednisone/cortisone possible tb? What to ask dr
Ask when next appt?: This could be tb, but might be one of several other infectious, musculo-skeletal, or related conditions. It needs examined by a doctor, soon. Questions the provider asks should help direct yours beyond just "what is it?" initial cxr or ct scan will likely yield more information to base questions (and treatment, if needed) on. ...Read more
Seek out information: Most will be followed first with a chest x-ray looking for active pulmonary disease. If negative, you are likely started on one TB drug, depending on your local as treatment for latent (quiet) tb. If you are found to have active tb, you are likely started on a 4 drug program that lasts for up to a year to knock it out. Get with your doc to see. ...Read more
Positive PPD: A positive TB skin test should be followed up with a chest xray. If both are positive for findings, one should be treated and followed by an infectious disease specialist and take medications. False positive skin tests can occur if previously vaccinated against TBor infected with TB-like organisms. Improper technique or interpretation of reaction are other causes of false positives. ...Read more
Not really: It does mean your have been exposed and will need treatment to prevent it from worsening TB is a very slow growing germ... I would also suggest consulting a chinese medicine practitioner as many herbs are very helpful in helping the body heal itself.... ...Read more
True of false: This could be a true or false positive, and your doc should sort that out. People can be exposed to TB in the activities of their daily lives, and pick up a latent TB.In med school it was common for students to convert from - to + over a their time in training.You will need more testing, an may or may not need meds. ...Read more
Need care!: Your TB test has turned positive - this is very significant. The guidelines are very clear what needs to happen now with further diagnostic studies, including chest x-ray, and then treatment. If your primary care doctor is not comfortable caring for TB, see infectious disease or pulmonary specialist ASAP to begin evaluation and care. There are great ones in Columbus area - call for appointment now ...Read more
Can you tell me if a TB skin test came up (borderline) positive, wouldn't it always come up the same?
No: A person can have a false negative test if they are immuno compromised, have poor nutrition etc. 10 to 15% of people with newly diagnosed lung TB come up with a neg PPD initially. A test that is borderline may be positive later. Once you have a + ppd, you normally don't need to have it repeated. ...Read more
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