Your question: What medications give a false positive pregnancy test?

What medications can mess up a 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.

Can anything else trigger a positive pregnancy test?

Some Medications Can Trigger False-Positives

If a pregnancy test is taken within 7-14 days after fertility treatments, a false-positive can occur.

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).

Can Pregnyl cause false positive?

For up to ten days after administration, Pregnyl may result in a false positive pregnancy test.

Can Xanax cause false positive pregnancy test?

Most medications cannot create a false positive pregnancy test. However, medications that contain hCG can cause a false positive pregnancy test result. These medications are often used in some fertility drugs. Commonly prescribed anti-anxiety drugs, such as Valium or Xanax, can also cause a false positive result.

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.

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Can clearblue give a false positive?

Most home pregnancy tests are reliable, for example Clearblue’s tests have an accuracy of over 99% from the day you expect your period, and while it’s possible a test showing a negative result is wrong, particularly if you’re testing early, getting a false positive is extremely rare.

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.

Can medications affect pregnancy test results?

Could medications interfere with test results? Fertility drugs or other medications that contain HCG might interfere with home pregnancy test results. However, most medications, including antibiotics and birth control pills, don’t affect the accuracy of home pregnancy tests.

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.