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TB Testing

Accurate screening for tuberculosis with fast, reliable results.

What Is TB Testing?

Tuberculosis (TB) is a bacterial infection that mainly affects the lungs and can spread through the air. Many people exposed to TB may not show symptoms, which is why testing is important—especially for school, work, or immigration requirements..

At Rock Island Med Clinic, we offer two testing options: the PPD skin test, where a small amount of fluid is placed under the skin and checked after 48–72 hours, and the IGRA blood test, ideal for faster results or those with prior BCG vaccination. Dr. Wiqar Sheikh will guide you on the right test for your situation.

There are two main types of TB tests:

  • PPD Skin Test (Mantoux Test): A small amount of testing fluid is injected just under the skin of the forearm. After 48–72 hours, the area is checked for a reaction to determine if TB exposure has occurred.

  • Blood Test (IGRA): This test involves a standard blood draw to detect an immune response to TB bacteria. It is commonly used for individuals who have received the BCG vaccine or need lab-based confirmation.

    • Both tests are performed under expert supervision to ensure safety and accuracy.

    Why TB Testing Is Done?

    TB testing helps detect whether you’ve been exposed to tuberculosis bacteria, even if you’re not showing symptoms. Many people carry latent TB, which means they have the infection but it isn’t active. Without treatment, latent TB can develop into active TB, which can spread to others.

    Testing is often required for:

  • Employment in healthcare, education, or public service
  • School or college enrollment
  • Immigration and travel medical screenings
  • Living or working in high-risk environments like shelters, nursing homes, or correctional facilities
  • Monitoring symptoms such as a persistent cough, fatigue, or unexplained weight loss

    • Early testing helps protect your health and prevent the spread of tuberculosis in your community.

    Finding the Source of Your Symptoms

    When symptoms like a lasting cough, tiredness, or night sweats don’t go away, it’s natural to wonder what’s behind them. In some cases, these signs may point to an underlying tuberculosis infection—even if you don’t feel seriously ill. That’s where accurate testing makes all the difference.

    At Rock Island Med Clinic, we use quick, office-based TB tests to help detect hidden or early-stage infections. Once identified, Dr. Wiqar Sheikh can guide you toward the right steps. This means:

  • Clear answers instead of ongoing uncertainty
  • Timely testing for school, work, or immigration requirements
  • A focused care plan to manage your next steps with confidence

    • Knowing the source of your symptoms allows you to move forward with peace of mind.

    What to Expect and Next Steps.

    Getting a TB test at Rock Island Med Clinic is a quick and straightforward process. Whether you're coming in for routine screening or symptoms, we make sure you feel informed every step of the way.

  • Consultation : You'll meet with Dr. Wiqar Sheikh to review your health history and decide which test is best for you.
  • Testing : You’ll either receive a skin test (with a follow-up visit in 48–72 hours) or a blood test sent to the lab for faster results.
  • Results Review Once results are ready, Dr. Sheikh will walk you through what they mean and explain any next steps, if needed.

    • We’re here to help you feel confident, informed, and supported from start to finish.

    Ready to get tested or have questions about TB Testing?

    Book your consultation with Dr. Wiqar Sheikh today.

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    Frequently Asked Questions (FAQ)

    TB testing is generally well tolerated. The skin test involves a small injection just under the surface of your skin — it may feel like a quick pinch and usually causes no lasting discomfort. The blood test is similar to any standard lab draw, with only brief pressure at the site.

    Yes, TB testing is often required for employment in healthcare, education, and childcare settings. Many schools, colleges, and public service jobs also require proof of TB testing as part of routine health screenings.

    The testing process itself is quick — just a few minutes in the clinic. Skin test results must be read 48 to 72 hours after placement, requiring a return visit. Blood test results are usually ready within 1–2 business days, depending on lab processing time.

    A positive result doesn’t always mean you have active TB. Dr. Wiqar Sheikh will review your results, and if needed, recommend further testing like a chest X-ray. From there, he will guide you on whether treatment or monitoring is necessary.

    Most insurance plans do cover TB testing. If you are uninsured or paying out of pocket, Rock Island Med Clinic offers clear and affordable pricing to ensure you get the care you need without financial stress.

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