Question: Can benzodiazepines cause false positive pregnancy test?

Medications that could affect your test include benzodiazepines, phenothiazine, promethazine and others. Urine contaminated with blood or protein can also trigger a false positive. A laboratory-quality test may be your best option for accurate results.

Can anxiety medication cause false positive pregnancy test?

Other medications can also cause false-positive pregnancy tests. They include but aren’t limited to: anti-anxiety medications, like diazepam (Valium) or alprazolam (Xanax) antipsychotics, such as clozapine or chlorpromazine.

What drugs can cause false positive pregnancy test?

1. Some medications can cause a false positive pregnancy test.

  • Some anti-anxiety medications.
  • Antipsychotics.
  • Some antiseizure drugs.
  • Parkinson’s disease medications.
  • Diuretics (“water pills”)
  • Antihistamines.
  • Methadone.
  • Antinausea medications.

Can taking Xanax affect a pregnancy test?

Additionally, you can get a false pregnancy positive after taking certain medications, including anxiety medications like Xanax or Valium, medications containing promethazine, and certain antipsychotic and anticonvulsant medications.

What medications affect hCG levels?

These medicines can cause false low hCG levels in urine test results. You use heparin, a medicine to prevent blood from clotting (anticoagulant). You use certain medicines. These include hypnotics (such as Ambien), antipsychotics, and antinausea medicines (such as prochlorperazine).

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How do antihistamines affect pregnancy tests?

Urine hCG tests may give a false-negative result if the urine is too diluted or if testing is done too soon in the pregnancy. Certain drugs such as diuretics and promethazine (an antihistamine) may cause false-negative urine results.

Can drugs affect a pregnancy test?

Most medicines should not affect the results of a home pregnancy test. This includes over-the-counter and prescription medicines such as birth control and antibiotics. Also, alcohol and illegal drugs do not affect pregnancy test results.

What causes hCG levels to rise if not pregnant?

Although the most common cause of an elevated HCG level in females is pregnancy, occasionally, a HCG-secreting tumor is suspected and other conditions such as gestational trophoblastic disease (GTD), nontrophoblastic neoplasms, or a pituitary source of HCG, must be considered.

How rare is a false positive pregnancy test?

A false-positive test result only happens less than 1% of the time, but when it does, it can make the following days or weeks confusing before you realize you’re not actually pregnant.

Why would I get a positive pregnancy test and then a negative?

The hook effect happens when you have too much hCG in your blood or urine. How is this possible? Well, the high levels of hCG overwhelm the pregnancy test and it doesn’t bond with them correctly or at all. Rather than two lines saying positive, you get one line that incorrectly says negative.

Does Xanax affect implantation?

“Benzodiazepines are anxiolytics and signaling molecules,” Berard said in an email. “It is believed that they disrupt binding and implantation when used in early pregnancy.”

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Is benzodiazepine safe in pregnancy?

Most benzodiazepines have a category D rating within the U.S. Food and Drug Administration (FDA) Pregnancy Categories. This means that there is some positive evidence of human fetal risk, but the potential benefits may warrant use of benzodiazepines in pregnant women.

What is the safest benzo to take while pregnant?

The available literature suggests that it is safe to take diazepam during pregnancy but not during lactation because it can cause lethargy, sedation, and weight loss in infants. The use of chlordiazepoxide during pregnancy and lactation seems to be safe.

Can stress affect HCG levels?

In conclusion, stress-related hormones affect placental HCG secretion in vitro. The involvement of these factors in impairing early pregnancy development is suggested.

Can Benadryl cause false positive pregnancy test?

“Much less commonly, anti-anxiety medications, antihistamines and anti-nausea medications may cause a false positive,” she adds.