Doctor insights on:
What Are They Testing For With A Swab Test
Herpes testing: There are two ways to test for herpes. The first is to directly swab the lesion during an outbreak to detect the virus. This is the most definitive but only can be done during an outbreak. The second is a blood test for HSV 2 IgG antibody. This confirms a past exposure. A pap smear is a screening test for precancerous cells of the cervix and is not related to herpes. ...Read more
Not sure of question: How useful are home tests for what? If you are asking about whether the home tests are useful in seeing if illegal substances are present in your urine, i wouldn't bet my job on it. Many employers use tests that are much more sensitive than most of the "home tests" in determining presence of banned/illegal substances. Better you stop using than trying to avoid detection. ...Read moreSee 1 more doctor answer
Blood is optimal: Blood tests are more sensitive, but antibodies are also present in the urine and collecting urine specimen is easier than collecting blood. Oral fluid can also be tested for HIV antibody. A positive urine screening test, like a blood screening test would need confirmatory testing, generally by testing blood. Urine can be used for confirmatory testing but a negative result may not be reliable. ...Read more
When I want to get tested for HIV by the DNA PCR should I order 2 separate tests for hiv1 and hiv2 or this test can detect both?becuase its expensive
Depends: PCR is usually a "reflexive" test, run after an antibody test is positive, and depends on how ordered. You might consider contacting a health department, many will test for free. If your initial test is positive, they will almost certainly run a confirmation PCR test (for both types). ...Read more
What are the best brands for an at home chlamydia test? Is the swab test or urine test more reliable?
Any NAAT, urine: Probably you mean specimen collection at home, sending it to a lab. (No self test for chlamydia is approved or available in the US.) Any lab-based NAAT (nucleic acid amplification test), such as Aptima®, will be highly accurate and reliable. Urine is best, partly because most men will have difficulting passing a swab 1-2 inches into the urerthra, required for highly accurate testing. ...Read more
Risk of disease: If you are talking about life insurance, they are interested in evidence of risk for early death. Testing for evidence of tabacco use, hiv/aids, elevated lipidis/cholesterol, diabetes and high blood pressure are common. You may still be able to get insurance, but the rates will be higher. ...Read more
If I have a positive Quest Diagnostics blood test for a food allergy, could a skin test give a stronger confirmation? So many positives for foods!
Blood tests: for food allergies are somewhat unreliable - as there are many problems with cross reactivities on the assays. Unless you have had a particular event like you were unable to breathe or throat swelling after eating a particular food and are sure there was nothing else causing it- then these results may not be clinically important. Pollen/ and environmental allergy testing is much more reliable. ...Read more
STD screening: At age 18, pap smears aren't recommended. But yearly screening for chlamydia and gonorrhea is recommended until age 26. Once a woman reaches age 21, we do a pap smear along with the chlamydia and gonorrhea screening. Once a woman reaches age 30, we add high-risk HPV screening to her pap smear. ...Read moreSee 1 more doctor answer
READ the directions: Taht come with teh test it will tell u all u need to know, if u have an uncertain result or are still worried then see your gyn for a blood preg test. ...Read more
Serum titers : A value detected in a blood test to see if this is present in your system. ...Read more
An urethral swab: Is another method.Get a more detailed answer ›
What lab tests are needed to test for Ureaplasma overgrowth? Is quantitative PCR necessary? How about Multiplex PCR? I need to teach my gynecologist..
Complicated question: That's an in depth complicated question. Multiplex PCR tests for more than one gene, so a multiplex pcr would allow you to see which species of ureaplasma is present (there are two which cause human infection -urolyticum and parvum. The test may also include species of mycoplasm depending on the lab because they are commonly tested together. Quantitative PCR tells you the ...Read more
If the doctors took a urine sample and tested it with a dipstick would it show that you are pregnant ?
Depends: The standard dipstick used to test urine does diagnose pregnancy. It is most commonly used to help diagnose urinary tract infections or problems with the kidneys. However, doctors do use dipstick pregnancy tests in their offices similar to those you can buy in the drugstore. So it depends on exactly which kind of dipstick was used. ...Read more
What do they test for during an obgyn pelvic exam? Pap smear and then they swab for something? Do they check for non-std infections?
Some: The pap smear with ancillary testing is quite useful, not only in evaluating for cancerous and precancerous lesions, but there are also a variety of infections (both sexually and non-sexually transmitted) that can be identified in the pap smear (hpv, trich, herpes, bacterial vaginosis, candida, gonorrhea and chlamydia). However, not all infections can be seen in a pap smear. ...Read moreSee 2 more doctor answers
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