Mantoux Test: A Tuberculin Skin Test





 September 27, 2024

Balete Rhu TB Core team headed by Nurse Emiliana Barrion conducted PPD (Purified protein derivative) skin test to screen presumptive PTB among children aged 10 years old and below earlier this morning at Brgy. Looc, Balete, Batangas. 💉
Mantoux Test: A Tuberculin Skin Test
What is a Mantoux test?
-A Mantoux test is a simple skin test used to check if you've been infected with Mycobacterium tuberculosis, the bacteria that causes tuberculosis (TB). It's also known as the PPD (purified protein derivative) test or the TB skin test.
How is it performed?
-Injection: A small amount of tuberculin protein is injected just under the skin on your forearm.
-Reading: You return to your healthcare provider 48-72 hours later for the reading. The area of the injection is examined for redness, swelling, and hardening.
What do the results mean?
-Positive: A positive test means you may have been infected with TB bacteria. However, it doesn't necessarily mean you have active TB disease. Further testing, such as a chest X-ray and sputum culture, is needed to confirm a diagnosis.
-Negative: A negative test means you likely haven't been infected with TB.
-Indeterminate: If the test result is unclear, you may need to repeat it.
Important to Note:
-Factors affecting results: Factors like age, previous vaccinations (like BCG), and certain medical conditions can affect the accuracy of the Mantoux test.
-False positives: Sometimes, a positive test result can be a false positive, especially in people who have received the BCG vaccine against TB.
-Regular testing: If you're at high risk for TB exposure, such as healthcare workers or people living in areas with high TB rates, regular Mantoux testing may be recommended

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