Doctor insights on:
Reaction To Tb Skin Test
No: Why would one want to be dishonest about this? ...Read more
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
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
Tb skin test negative, quentform TB test negative, bone marrow biopsy results indicative of TB (reacts to ziehl niehlssen), PCR negative. How come?
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 pcr test are against you having tb. The culture is the "gold standard" but you will need to wait for it. It might turn out be a cousin of TB and that too will grow out of culture. Stay on TB meds until they are certain of the AFB positive organism. ...Read more
No: Tb skin test is a diagnostic test that helps determine if someone has ever been exposed to tb. It offers no protection against future infection. Tb immunization is being practiced in countries with a high prevalence of TB infection by using the bcg vaccine that is usually given at birth to all newborns in those countries. It has a variable efficacy in protecting against TB that ranges from 0-80%. ...Read more
No: Fortunately not or we would not be able to perform this test on more than one occasion. ...Read more
Tuberculosis vaccinated, TB test positive...Will my ANA be positive because of TB test positive due to vaccine?
Can all europeans test positive for tuberculosis on the TB skin test because europeans get a vaccine for it?
HEAF: The HEAF (multi-puncture) test is used to identify people wi tuberculosis infections or diseases. Tuberculin (undiluted purified protein derivative) is applied to the arm wi 6 needle points. The area is usually checked for reaction a week later. Don't know if anyone uses this particular test anymore. ...Read moreSee 1 more doctor answer
Propolis: is one of bee products in addition to beewax and honey, it is present in many cosmetic preparations, depends on your history, the doctor who performed the patch testing would correlate the results with the clinical picture, it usually causes allergic contact dermatitis , your doctor will better assist you ...Read more
If food allergy prick test is negative (mild redness) and blood rast test negative is it mean you are not allergic to foods?So y get reaction to foods
Not 100%: If both tests are negative, the chance of being allergic to that food is very very small. However when the history of a food allergy is strong, and the tests were negative, i often ask the patient to bring in the fresh food for the testing instead of relying on commercial food extracts. If the person is still quite concerned over it a challenge test can be done at the office. ...Read moreSee 1 more doctor answer
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