What should a tb skin test look like?

Hey, it's okay to wonder. After a TB skin test (Mantoux test), a small bump will form where the liquid was injected. It might be a little red, which is normal. What the doctor looks for is the *size* of the raised, hardened area, not just the redness. They'll measure it after 48-72 hours. Don't worry if it's a small bump.

I totally get how you'd be anxious about a test like this. It's normal to have a small, slightly raised bump, like a mosquito bite, at the injection site. What matters is if the *induration* (the firm, raised area, not just redness) is a certain size after 2-3 days, which indicates a positive result. The doctor will evaluate it.

A TB skin test, or PPD test, typically results in a small, slightly raised bump at the injection site. The key factor is the diameter of the *induration* (the hardened swelling), which is usually measured 48-72 hours after the injection. Redness alone isn't indicative. It's always best to have the healthcare professional who administered the test interpret the results.

I was just researching this for my college health class! Apparently, you get a small, hard, raised area where they injected it. They check its size after a few days. Redness doesn't really count, it's the bump and how firm it is that matters to the doctors.

For a TB skin test, you usually get a small, red, raised bump. What they look for is how big the firm, hard part of that bump is, after 2-3 days. This is different from managing diabetes, where we focus on numbers and diet. For this test, the visual assessment by a doctor is paramount, so don't try to self-diagnose.