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Doctor insights on: Cfs Hiv Test

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Dr. Al Hegab
16 Doctors shared insights

Hiv (Definition)

Hiv infection is caused by a retrovirus....This retrovirus binds to CD4 cells (for the most part). You may detect the virus by several different methods. An elisa test (enzyme linked immunosorbent assay). You may also detect it by doing a test referred to as a western blot (a gel protein electrophoresis). Thirdly by pcr (polymerase chain reaction) which ...Read more


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What is nat HIV test?

What is nat HIV test?

HIV test: Is a blood test that is done to test for contagious condition causing immune deficiency hiv. ...Read more

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Could I take an HIV test at my clinic?

Could I take an HIV test at my clinic?

Likely yes.: Most health clinics offer HIV testing. If you have any concerns, please get tested. ...Read more

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Can hospital make a mistake wit a HIV test?

Can hospital make a mistake wit a HIV test?

Possible: Mistakes can happen but hospitals and the people who work in them generally try very hard to minimize those errors. If you are in doubt have the test run a second time. ...Read more

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When should I get an HIV test while pregnant?

When should I get an HIV test while pregnant?

At first visit: The HIV (aids) test should be done as a routine test with the blood that is drawn at the first prenatal visit. ...Read more

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How can cancer potentially affect an HIV test?

Doesn't: 2 separate issues. Hiv patients with low CD4 counts mayhave worse response to cancer treatment and outcome. ...Read more

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Is HIV test false after 1.5 years exposure of virus?

Is HIV test false after 1.5 years exposure of virus?

Trust it: A nucleic-acid based test simply won't be wrong at this date. An antibody test is so likely to be correct that nobody knows the rate of false negatives. One factor is that someone claiming to have seroconverted two years after a single event may not be presenting their history correctly. I'd be thankful for good health and get on with your life. ...Read more

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How reliable is PCR HIV test 1 month after an exposure?

How reliable is PCR HIV test 1 month after an exposure?

Not the best test: The better test 1 month after exposure is either a standard serology (elisa with confirmatory western blot if positive) or a 4th generation antibody/antigen test. Hiv PCR (viral load) will usually be positive, but false positives and negatives can occur, so it's an imperfect diagnostic test. Viral load is used diagnostically mainly in people with symptoms of acute infection. ...Read more

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Does HIV test detect antibodies 30 days after incident?

Does HIV test detect antibodies 30 days after incident?

Testing for HIV: Most elisa tests looking for the individuals production of antibodies after exposure to HIV will turn positive at 2 weeks after exposure. Newer tests are even more sensitive. Testing must be continued routinely however, if the high risk behavior for which you were initially tested continues! For a single exposure we still recommend retesting at 6 months after exposure. ...Read more

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Can you have aids if your at home HIV test was negative?

Depends: How long after the episode in which you may have been exposed to hiv, did you do the test? Antibody tests, such as the home test, can take more than six months to become positive. If you did the test 3-4 months after the exposure the risk of your having HIV is minimal. ...Read more

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How long does it take for a HIV test result to come back?

Depends on type: An HIV test can be done instantly in the doctor's office (results are not as reliable), or it can be done in a regular lab. Usually not more than 2-3 days. However, many labs "batch" test -- meaning they only test for certain analytes once per week or every 3 days. So, maybe that is the delay... ...Read more

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Is a urine HIV test just as effective as a blood HIV test?

Is a urine HIV test just as effective as a blood HIV test?

No: Probably less sensitive. I'd want a blood test, but would accept an oral fluid test. ...Read more

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How accurate is a PCR Hiv test taken 14days past Exposure?

How accurate is a PCR Hiv test taken 14days past Exposure?

Not altogether: If you receive a negative result, follow it up in a few more weeks. But I am glad you are getting tested and I wish you the best. Whatever happens, I hope you have a memory of love that you will cherish forever, and that from now on, you have an experience that has helped you grow as a man. ...Read more

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What happens if you have aids will the HIV test be positive?

What happens if you have aids will the HIV test be positive?

Yes: Ok. So I think your confusing things a bit. The HIV test is an antibody test showing you have been exposed to the human immunodeficiency virus. Aids is the point where your immune systems CD4 blood cells drop below 14%. At this point opportunistic infections happen. So to answer the question. Yes. If you have full blown disease the HIV test will be positive. ...Read more

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What is 4th Gen HIV test? Is this the same with the HIV PCR?

What is 4th Gen HIV test? Is this the same with the HIV PCR?

Both are good: The fourth generation tests assay both for an antibody and an antigen and will pick the infection up almost always by 30 days, actually less. PCR is gold standard and quantitates the amount of the virus to monitor therapy. ...Read more

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After how many weeks of infection HIV test has to be taken?

At least 4 weeks: Modern elisa tests are considered accurate at about 4 weeks, but testing protocols usually check at 3 months as well, just to be safe (with prophylaxis, there is another check at 6 months). ...Read more

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How reliable is a p24 antigen HIV test a month after been exposed?

How reliable is a p24 antigen HIV test a month after been exposed?

Not widely used: The level of p24 antigen and the amount of virus (viral load) increase significantly soon after initial infection. It is during this time frame, before HIV antibody is produced, when the p24 test and the HIV antigen/antibody combination test are useful in helping to diagnose infection. About 2-8 weeks after exposure, antibodies to HIV are produced in response to the infection and remain detectable. ...Read more

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I had sex with woman only for 30 to 40sec, should I get an HIV test?

I had sex with woman only for 30 to 40sec, should I get an HIV test?

Yes: If you have any doubts about HIV infection, it would be a good idea to get tested. When you discuss the matter with your doctor ask about being tested for other stds including hepatitis also. Remember that HIV infection can be controlled if you start the treatment early and are compliant with the treatment. ...Read more

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If I test for an HIV test 94 days after exposure. Will it be accurate?

If I test for an HIV test 94 days after exposure. Will it be accurate?

Yes: Assuming you're talking about the antibody test, that's plenty of time for the test to become positive. It is very rare to remain negative after 90 days. ...Read more

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How accurate is negative HIV test after 80 days after french kissing?

Risk Is Low: If you were not exposed to blood or semen your risk is very low to start with. A negative test at 80 days is likely ok, but if you are really nervous about it talk to your doctor and have him do another test in a few months. The answer also depends on what test was done. ...Read more

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If you have aids could get a negative HIV test or would it be positive?

Hiv/aids: Acquired immunodeficiency syndrome, or aids, is the later stage of hiv. Thus, you would need to have acquired the HIV virus for some time (usually years) to start to show the signs of aids, which may be diseases such as tuberculosis, kaposi's sacroma, cytomegalovirus, and others. You would need to have a positive HIV test to have aids. Please see your primary care provider, and use protection. ...Read more

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Could a person get accurate results with HIV test before 3 month period?

Could a person get accurate results with HIV test before 3 month period?

Yes: Let your physician know there's a recent exposure. The new sensitive tests, which include nucleic acid testing, are very sensitive and specific at 28 days or so. ...Read more

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I get HIV test result negative after 13 weeks of sex. Do I need to retest.

I get HIV test result negative after 13 weeks of sex. Do I need to retest.

Yes: What's important in the interim between initial negative HIV test and repeat test is "protected" "safe" sex, not just "sex" which exposes you repeatedly to opportunity for infection. Don't forget that HIV is not the only std that can be transmitted so be sure to get tested for "everything". ...Read more

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Afraid of hiv. How soon can I take an accurate HIV test after forced sex?

Afraid of hiv. How soon can I take an accurate HIV test after forced sex?

Go 2 ER if <72 hours: I'm sorry this happened. If it happened 1-3 days ago, go now 2 the er 2 get meds which will reduce the risk of hiv. You will need 2 be tested twice, once early, but assuming that test is fine, you'll test again 3 months after the incident. Most people w/ a new infection r positive on HIV antibody test by 25 days, 99.8% by 3 months. Hiv RNA good at 9 - 11 days. Sexualhealth. Com. Therapy is crucial. ...Read more

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When after a potential high risk exposure the hiv test can be fully conclusive?

Depends on test: The antigen-antibody ("duo", 4th generation) tests are conclusive any time 4 weeks or more after exposure. Antibody-only blood tests about 6 weeks, even though common advice says 3 months. The oral fluids test (Oraquick) can take 3 months. Any and all tests are conclusive after 3 months. ...Read more

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How good is a one and 2 months HIV test results blood test accuracy? In percentage

How good is a one and 2 months HIV test results blood test accuracy? In percentage

Quite good but...: ... It's clear that you are worried, and that is a good thing. Ask your physician whether a pcr (polymerase chain reaction) test might be an option, to let you be certain right now. ...Read more

Dr. Dominic Riganotti
376 Doctors shared insights

Hiv Test (Definition)

There are several ways to detect the HIV virus. The first is by antibodies. This includes eia (enzyme immuno assay). The rapid HIV tests are these types. The second way detects proteins on the viral coat (western blot). This is a gel plate electrophoresis. Thirdly there is pcr (polymerase chain reaction). This detects and amplifies dna allowing a viral ...Read more


Dr. Ed Friedlander
1,489 Doctors shared insights

Human Immunodeficiency Virus (Definition)

Human immunodeficiency virus (HIV) is a lentivirus (a member of the retrovirus family) that causes acquired immunodeficiency syndrome (aids), [1][2] a condition in humans in which progressive failure of the immune system allows life-threatening opportunistic infections ...Read more