can you test false negative for chlamydia?
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The recommended tests are over 95% accurate in picking up chlamydia. As no test is 100% accurate there's a small chance that the test will give a negative result when you do have the infection. This is known as a false negative result.
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If you get a positive result, you may want to call your doctor to talk about what comes next. In very rare cases, you can have a false-positive result. This means you're not pregnant but the test says you are. You could have a false-positive result if you have blood or protein in your pee.
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One might ask whether a 36-year-old, pregnant woman in a monogamous sexual relationship really needs to be screened for chlamydia. There is a significant harm from a false-positive diagnosis for the pregnant woman's relationship, and false-positive results increase when the prevalence is low.
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You could still have trichomonas even if a partner has tested negative. If you have trichomonas, you should be tested for other sexually transmitted infections as you can have more than one sexually transmitted infection at once.
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False negative pregnancy tests do occur. In fact, it is possible to have a negative result on a pregnancy test and actually be pregnant.
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O you have another sexually transmitted infection. You could still have chlamydia even if a partner has tested negative. The only way to make sure you don't have chlamydia is to get tested yourself.
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C. albicans can be present without causing symptoms (a false-positive result). The yeast can only be cultured when a certain amount is present (a false-negative result). Swabs from outside the vagina can be negative, even when the yeast is present inside the vagina, and there is a typical rash on the vulva.
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Limitations of Zika Testing No test is 100% accurate. A test result can sometimes be negative in the setting of true infection, and the results could be falsely reassuring.
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It is very unlikely that a urinary tract infection would cause a false negative pregnancy test. And it is completely safe to use a home pregnancy test with a urinary tract infection. It is, however, theoretically possible that in some cases a UTI might alter the results of a home pregnancy test.
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It is possible to get a false negative on a pregnancy test (where the test says you're not pregnant, even though you are), particularly if you've tested before your period is due. If you've just had one negative result, you could try waiting for a few days and testing again, just to be sure.
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If someone tested positive for chlamydia and their sexual partner tested negative, there are a few possibilities that could make this happen. - As most people do not have symptoms it is possible the person could have had chlamydia from a previous relationship and has not passed it to their partner yet.
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A panel might require a blood sample, genital swab, or urine sample. While chlamydia isn't a bloodborne disease, blood tests can determine whether you have chlamydia antibodies, which can reveal current or past chlamydia infections.
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No test is 100% accurate. A test result can sometimes be negative in the setting of true infection, and the results could be falsely reassuring.
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A positive test indicates an active chlamydia infection that requires treatment with a course of antibiotics. A negative test means only that there is no evidence of infection at the time of the test.
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A false negative can also occur if you've already taken antibiotics, so make sure not to do that. If you think you might have a UTI that's not being detected, your doctor may be able to do a PCR laboratory test, Rice says.
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False-negative results If an hCG test comes back negative, that generally means you're not pregnant. However, if the test was performed too early in the pregnancy, before your body has had time to produce enough hCG, you can get a false negative.
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If you are sexually active, the following could lower your chances of getting chlamydia: Being in a long-term, mutually monogamous relationship with a partner who has tested negative for STDs, including chlamydia.