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Doctor insights on: What Does A Negative Tb Test Injection Look

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What does a negative TB test look like?

What does a negative TB test look like?

Doc: Either your blood test igra is negative or your skin testing does not show any "bump". This should always be checked by a professional since even health care workers report false results. Best to check with a doc and not pa or np or nurse. ...Read more

Dr. Scott Lindquist
616 doctors shared insights

Mycobacterium Tuberculosis Infection (Definition)

Mycobacterium tuberculosis is an infectious organism that spreads by droplets coughed out by an infected person. Infection is established initially in lungs, but can spread within lungs & to other body parts, or can become latent, with reactivation occurring years to decades later. With effective treatment, it can be completely eliminated although drug resistant ...Read more


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What does a positive TB test look like?

What does a positive TB test look like?

Skin test: If you had a PPD skin test and you have no risk factors, a positive test is when after 48 to 72 hoursyou have swelling in the site and redness that measures more than 15 mm, it is considered a positive tb. Test. ...Read more

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What does a negative PPD test look like?

What does a negative PPD test look like?

See below: A positive PPD is determined by the presence of swelling(induration) around the injection site. Little or no swelling indicates a negative test. Reddness is not used to determine a neg or pos test. ...Read more

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What do a positive and negative TB test look like?

TB Tests: I bet you could google image that question. A positive reaction is read after 48 hours from the test. It would be a raised redness greater than 5 mm in circumference. ...Read more

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What does a positive TB test mean?

Chest X ray: It is possible to have active TB with very little symptoms especially early on. However, it is more than likely that you carry the germ for TB in a dormant form, this is called latent tb. No symptoms are expected with latent tb. ...Read more

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What do positive TB test results mean? How should I interpret the positive result of a TB test?

What do positive TB test results mean? How should I interpret the positive result of a TB test?

Infection with Tb: When someone is infected with tuberculosis (TB) germs, the body develops a protective response against them. The TB skin test is a test of the body's response to tb, not the germs themselves. One can have an active infection where they are coughing out TB germs and are a risk to spread tb. Or the body may have had the infection long ago and controlled it so there is no risk now of spread. ...Read more

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What does a positive TB test look like? How is this treated?

What does a positive TB test look like? How is this treated?

What is important: is what it feels like - not how it looks. Induration is palpated & measured. Treatment (such as INH) is determined once it is established where this is latent or active TB and the type. ...Read more

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What does it mean if I have a negative TB skin test yet a positive blood one?

What does it mean if I have a negative TB skin test yet a positive blood one?

IMMUNE PROBLEM: Both tests detect prior exposure to TB. A situation of diminished immune function, called anergy, can make the skin test appear negative. If you have a positive blood test you will need to have a CXR to exclude active infection and may need prophylaxis . ...Read more

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What does a + TB test look like?

What does a + TB test look like?

Positive PPD test: A positive TB test should look like hard, raised bump with size >5to15 mm depending of the risk category you are in. It should be read in between 48 to72 hours. It is the hardness and not redness which is read. Thanks. ...Read more

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What does a positive PPD test feel like?

Firmness: The diameter of the circle of hardened skin at the site of the PPD is measured, and depending upon who you are, what underlying diseases you may have, what medications you are taking, it is read in 48 hrs. Do not measure the area of redness, only the area of firmness (induration). Otherwise there are seldom other symptoms. ...Read more

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What does it mean if PPD tuberculin skin test came out positive?

What does it mean if PPD tuberculin skin test came out positive?

See below: If your PPD is positive you need a chest x-ray and a screening by your doctor. At your age, if your chest x-ray is normal and you have no risk factors you may not need any treatment. If you have risk factors, treatment of latent TB has become much easier in the last year. If you are determined to have active TB you can be cured with 6 months of TB therapy. ...Read more

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What does a positive clear plan pregnancy test look like?

What does a positive clear plan pregnancy test look like?

Clear plan pregnancy: " easy to use: hold the absorbent tip in urine stream for 3-7 seconds. Easy to read: results in 3 minutes - two lines mean you are pregnant, one line means you are not pregnant. " i thought this produce had been discontinued by the manufacturer. ...Read more

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What does a positive PPD test look or feel like?

What does a positive PPD test look or feel like?

Depends: Who are you, what underlying conditions do you have. Generally, for a normal non-hiv adult, a one centimeter area of induration (hardness of the underlying tissues) is considered positive. Do not count areas of redness. If positive it means you have living mycobacteria somewhere in your body, although these can remain inactive the rest of your life. ...Read more

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What does it mean if you test positive for a herpes antibiotic in the blood?

What does it mean if you test positive for a herpes antibiotic in the blood?

Herpes antibody?: Probably you mean herpes antibody, not antibiotic. Antibodies are proteins that the immune system produces to help fight infection. A positive test for antibodies to herpes simplex virus (HSV), the cause of herpes infections, mean you are infected with HSV. The standard tests look for antibodies to HSV1, the cause of oral herpes, and HSV2, the usual cause of genital herpes. ...Read more

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What if i received a positive blood test for herpes?

What if i received a positive blood test for herpes?

Quite possibly: You can actually be contagious for up to months after infection. Bummer. ...Read more

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What does it mean to have a positive pregnancy test then a negetive test?

What does it mean to have a positive pregnancy test then a negetive test?

Accuracy of test: Either one of the tests may be in error. If both test results are accurate, it may reflext loss of an early pregnancy. ...Read more

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Does a TB test hurt?

Does a TB test hurt?

Not really: It is a tiny needle, just within the layers of the skin to create a fluid bubble. Takes a few seconds to apply. ...Read more

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Could you tell me what happens if a tuberculosis test shows positive?

Chest Xray And-----: If PPD(Mantoux) test is positive.We will order Chest Xray if it is positive.Next step is to get a specimen of sputum for culture&sensitivity and start the patient on Antibiotics.If chest xray is negative.And there are no signs and symptoms suggesting TB in other organs like Lymph Nodes,Bones or Kidneys etc.We recommend patient take INH as a preventive treatment for6months to kill dormant bacteria ...Read more

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What does a positive pregnancy test look like from the doctors?

Blood test: Pregnancy test can be done on urine or blood. Blood test is more sensitive and you need to see a doctor for that. Urine test is the same whether done by the doctor or done at home. Blood test gives a number which is the level of beta hcg. ...Read more

Dr. Klaus d Lessnau
1,215 doctors shared insights

Tuberculosis (Definition)

A potentially serious infectious bacterial disease that mainly affects the lungs, but can ...Read more