Prakash Yadav Prakash Yadav Asked 9 months ago

What happens during a tb skin test?

I need to get a TB skin test for my new job. I've never had one before, so I'm not sure what to expect. What happens during a TB skin test, and how long does it take?

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8 answers

Subhash Chandra Subhash Chandra Joined Jul 2026 3 months ago
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They just inject a tiny bit of liquid under your skin on the forearm, which forms a small bump like a mosquito bite. The real test is resisting the urge to scratch it for two days! Then you have to go back to the doctor so they can measure it with a simple ruler.

Sanjay Solanki Sanjay Solanki Joined Jan 2026 9 months ago

Listen, it is a very simple test. They will inject a tiny drop of fluid under your skin, and it will sting slightly for just 5 seconds. You just have to make sure you don't put any band-aid or cream on that spot. Go back after 2 days, and they will check if there is a swelling.

Meera Sen Meera Sen Joined Apr 2026 7 months ago

They inject a small amount of PPD fluid into the top layer of your forearm skin. I went to a reputed hospital, and the doctor clearly explained that I must return within 48 to 72 hours for the reading. Ask your doctor about the exact timing to ensure the test is valid.

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Consult a dermatologist

Deepa Sen Deepa Sen Joined Jan 2026 9 months ago

During my test, I developed a very large, painful red swelling on my arm which was quite alarming. If you experience any severe reaction or skin peeling around the injection site, please contact your doctor immediately. Do not try to treat the swelling at home.

Ananya Hegde Ananya Hegde Joined Feb 2026 8 months ago

When I had my TB skin test done for my visa, the nurse just pricked my inner arm slightly. It left a tiny bubble that looked like a water blister. I went back after 48 hours, and since there was no hard swelling, they confirmed it was negative.

Satish Kumar Satish Kumar Joined Mar 2026 8 months ago

It is a standard Mantoux test where a tiny injection is given on your arm. Since I keep a close check on my health due to high BP, I made sure to note down the exact time of the injection. Returning to the clinic on time for the reading is crucial for an accurate result.

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Rohan Deshmukh Rohan Deshmukh Joined Apr 2026 6 months ago

Actually, it is a very quick process yaar. They use a super tiny needle to put a fluid called tuberculin just under your skin, which makes a small bubble. It doesn't bleed or hurt much, but you shouldn't scrub that area while bathing for the next 3 days.

Rahul Verma Rahul Verma Joined Apr 2026 6 months ago

I got this done last month. The doctor injected some liquid in my forearm and told me not to scratch it, even if it gets a bit itchy. After two days, they just measured the size of the bump with a scale to see if it's positive. Very simple, nothing to worry about.

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