#NEGATIVE TB TEST PROFESSIONAL#

The doctor, nurse or other healthcare professional that performs the test will talk you through the test and possible outcomes, answer any questions you may have, and advise when you can expect the results. The test may be taken at your local GP practice, in a specialist TB clinic or occasionally in a local community setting.

#NEGATIVE TB TEST SKIN#

Source: may be offered either one of two different tests for latent TB, a TB skin test (known as a TST or Mantoux) or a blood test (known as an IGRA). Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. The contents herein are for informational purposes only. This test may be used in combination with other tests, such as chest X-rays (which can show whether a person has an active TB infection), to detect TB.Īntibiotics are the standard treatment for TB and they provide a safe, effective cure for this condition.Īll material copyright MediResource Inc. In cases where a person has symptoms of tuberculosis, your doctor will consider the test result and determine the appropriate treatment. Keep in mind that no test is 100% accurate, and as with any test, this test may produce false positive results (a positive result for someone who does not have the condition) or false negative results (a negative result for someone who really does have the condition). The skin may be red or show no colour change. The result is negative if there is either no bump or if the bump is smaller than a certain size (see above). This means that, at some point in your life, you have been infected by the bacteria that cause TB. The result is positive if there is a firm bump larger than a certain size (the size depends on your medical history and risk factors). swelling in the underarm area (this indicates swollen lymph nodes)Ī health care professional will interpret the results of your TB test by looking at the area where the TB antigens were injected.It is important to speak to your doctor if you experience: You must return to your doctor's office (or the clinic where the test was done) 2 or 3 days after the test to have the result checked by your health care professional. What can I expect after the test?Īfter the test, do not cover the area with a bandage and do not scratch the test area, even if it is itchy (as this could interfere with the test). Do not use an anesthetic cream before the test as these creams can cause mild swelling, which may be interpreted as a positive test.Īsk your doctor or pharmacist whether you need to stop taking any of your medications before the test. Also tell them about any medication allergies and medical conditions that you may have. Tell your doctor or prescriber about all prescription, over-the-counter (non-prescription), and herbal medications that you are taking. a measles vaccination within the last 6 weeks.major viral infection, such as mumps or measles (note that this does not include the common cold).Speak to your doctor if you have any of these conditions because they can interfere with the accuracy of the TB test: If you have had TB, a positive TB skin test, an adverse reaction to a prior TB test, or a TB vaccination in the past, it is important to tell your doctor. How should I prepare for this test?īefore having the TB skin test, be sure to mention whether you have had any symptoms that could be related to tuberculosis.

It is normal to see a drop of blood at the injection site and this can be gently removed with a piece of gauze. Most people feel nothing or only very slight discomfort during this test. A technician may circle the area to make it clear where the proteins were injected. Then a small amount of the TB proteins (called antigens or purified protein derivative ) is injected under the skin.

A trained health care professional disinfects the area on your inner forearm.

Negative tb test