what medication give a false positive pregnancy
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Can Medication Affect Pregnancy Test Results? The only medications that can display a false positive test result are those that contain the pregnancy hormone hCG, such as most medications used to treat infertility. Medications that contain hCG, or are used in combination with hCG, include, but are not limited to, Humegon, Pregnyl, Profasi, Pergonal, and Novarel. These may give false positive results if the pregnancy test is performed within 7-14 days of the last drug administration. Antibiotics, analgesics or pain killers, birth control pills, and hormone therapies that contain Clomid or Serophen (clomiphene citrate) should not affect the test result.
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- Prescription Medications. There are some prescription nausea medications that are safe for use during pregnancy. Phenergan, the brand name for promethazine, is an antihistamine that's commonly prescribed for pregnancy-related nausea. Other medications your doctor might prescribe are Compazine, Tigan or Reglan.
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Anyone know of a drug that causes 'false positive' on a hair test? This document, leaked by a disillusioned company employee, lists more than 250 over-the-counter medications and prescription drugs that can cause false positives. Substances that cause False Positive Drug Test Results THC - Substances or Conditions which can cause false positives Dronabinol (Marinol) Ibuprofen; (Advil, Nuprin, Motrin, Excedrin IB etc) Ketoprofen (Orudis KT) Kidney infection (Kidney disease, diabetes) Liver Disease Naproxen (Aleve) Promethazine (Phenergan, Promethegan ...
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- Yes a pregnancy test can show negative when you actually are pregnant. The most common false negative happens when there is not enough of the pregnancy hormone HGH to be detec … ted as in early pregnancy. This is why some tests come with another test so that you may retest later.
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False Negative Pregnancy Test False Negative Pregnancy Test. Most women will agree that pregnancy test is the greatest or at least the most useful and convenient humankind’s invention. Only one dollar or two, a few minutes, in any place, anytime you can get the answer to the exciting question: pregnant or not. Could our grandmothers dream about that?! In general, pregnancy test is, undoubtedly, the thing! Nevertheless, it has one essential disadvantage: it quite often gives false result. In addition, in most case it is false negative – when pregnancy in fact is, but the test gives false result.
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- You should always trust the positive. There can be false negatives but VERY RARELY a false positive. thy look for the hcg horomone which is the pregnancy horomone. Some test aren't as sensitive as others and won't pick up. You should go to the dr and take theirs but i'm pretty positive your pregnant.
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False Positive Pregnancy Test Result and Phantom HCG One cause of a false positive pregnancy test is that you do not read your urine pregnancy test correctly. Pregnancy tests have certain instructions and before you make the diagnosis of a positive pregnancy test make sure that you followed all instructions.
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False Positive Pregnancy Test Result and Phantom HCG 1 Fertility treatment: If you receive shots of hCG or gonadotropins (for example, Pregynl, Profasi, Pergonal, APL) for ovulation it's posible to have a positive urine or blood pregnancy test for two to three weeks after the shot and not be pregnant. The most important though very rare false positive blood test is a woman who has a low positive blood pregnancy test, the urine test is negative, and she is not pregnant. 2  Defective Pregnancy Test-Expired tests or faulty home pregnancy tests can also lead to false positive results.
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- The use of some medications can lead to seeing a false positive on a pregnancy test. False positives on pregnancy tests are rare, which is why seeing a doctor soon after a positive result is a good idea. Tumors in a woman's reproductive system may yield a false positive on a pregnancy test.
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What You Need to Know About False Pregnancy Test Results For these women, a urine test will almost never show the pregnancy. A blood test is the only way to confirm or negate a pregnancy in these circumstances. You can also get false pregnancy test results that say you re pregnant when you aren t. These are more common in the case of a miscarriage.
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Can I Get A False Positive or False Negative Pregnancy Test? Hardly anything (besides fertility drugs) can interfere with a preg test result, so a true false positive is not a common occurrence.As for a false negative, these may be more common due to the issues discussed in Questions 4 and 5 about hCG production, rates of hCG increase, and testing tips.
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Positive Pregnancy Test: When and How Long After Implantation 1 Use diluted urine. 2  Drinking too much fluid before taking a home pregnancy test might cause a false-negative result. 3  For the most accurate results, take the test first thing in the morning — when your urine is the most concentrated.
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Drugs That Can Cause False Positive Drug Tests A common diabetes medication, metformin (Glucophage), can lead to a false-positive result for amphetamines. Further Considerations Whether taking a drug will actually cause you to have a false-positive urine drug test will depend on various factors, including the amount of the drug you are taking, when you took the last dose and the exact type of urine drug test used.
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False Positive Pregnancy Test ResultsLast updated on Aug 27, 2012by Monica Scott This scenario often occurs in women undergoing fertility treatments which contain hCG, such as hCG shots. The hormone in the drugs may cause the test to read a false positive. To avoid this- ensure that you have allowed enough time for the shot to be completely out of your system before using a pregnancy test. If you are unsure, retest a week or two later and/ or see your doctor for medical advice and testing.
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Best Pregnancy Test For Early Detection False negative pregnancy tests are not that common, especially if you use a sensitive pregnancy test that detects a pregnancy 3 days before a missed period. Even so, it is still possible that you have had a false negative pregnancy test after a missed period.
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Getting pregnant However, most medications, including antibiotics and birth control pills, don't affect the accuracy of home pregnancy tests. Although rare, it's possible to get a positive result from a home pregnancy test when you're not actually pregnant. This is known as a false-positive. A false-positive might happen if you had a pregnancy loss soon after the fertilized egg attached to your uterine lining (biochemical pregnancy) or you take a pregnancy test too soon after taking a fertility drug that contains HCG.
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Getting pregnant This is known as a false-negative — and it's much more likely to occur than is a false-positive. You might get a false-negative if you: Take the test too early. The earlier after a missed period that you take a home pregnancy test, the harder it is for the test to detect HCG.
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C. Based on the results of 2,061 pregnancy tests by women who were actually pregnant on www.countdowntopregnancy.com: Assuming a 28-day menstrual cycle and ovulation on the 14th day, the chances of a false negative pregnancy test at 11 days past ovulation is 24%. Views · View Upvotes.
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- Currently there are more than 250 over-the-counter medications and prescription drugs that can cause false positives. 1  Marijuana False Positives. 2  Cocaine False Positives. 3  Amphetamine False Positives. 4  Opiate False Positives. 5  Benzodiazepine False Positives. 6  Barbiturate False Positives. 7  LSD False Positives. 8  Ecstacy False Positives.
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Getting pregnant This is known as a false-positive. A false-positive might happen if you had a pregnancy loss soon after the fertilized egg attached to your uterine lining (biochemical pregnancy) or you take a pregnancy test too soon after taking a fertility drug that contains HCG.
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False Positive Pregnancy Tests If you have a positive pregnancy test and it is suspected that you are not really pregnant, an ultrasound and other non-invasive testing can show if you have any of these other conditions that secrete HCG in the absence of a pregnancy. Many women want to know what the odds of a false positive pregnancy test are.
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Medications & Substances Causing False Positives Over the counter appetite suppressants which contain propanolamine. Most common nasal decongestants can cause a positive reading for Amphetamines. As the cross reactive list suggests at the back of this booklet, amphetamine false positives are the most common.
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Is It Possible to Get a False Positive Pregnancy Test Result? The most common explanation for a false positive is that you really were pregnant when you took the test. Some women can get a positive pregnancy test and then three days after their period is due, they have a really heavy period, says Lanalee Araba Sam, M.D., an ob-gyn in Fort Lauderdale. Really what they've had is an early miscarriage called a chemical pregnancy, and a lot of people call that a false positive. Dr. Sam explains that as many as 25 to 40 percent of pregnancies may end as an early often-undetected miscarriage. Some women don't even know they're pregnant in the first place.
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Drug Tests Often Trigger False Positives The quinolone antibiotic drugs can trigger false positives for opioids, and the HIV medication Sustiva can show up as marijuana use, Smith says. On the other hand, just being in the room with someone who is smoking marijuana is not going to trigger false positive results, no matter what your child claims, he says.