You asked: Can medications cause false positive pregnancy test?

Can medication interfere with pregnancy test results?

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.

How common 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.

What medications affect hCG levels?

Medications that could affect your test include benzodiazepines, phenothiazine, promethazine and others. Urine contaminated with blood or protein can also trigger a false positive.

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.

Does 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.

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What can affect hCG levels?

Medications used for fertility treatments that contain hCG may also interfere with your hCG levels. All other types of medication, e.g. contraception, pain relievers, antibiotics, and hormone medication shouldn’t affect an hCG test.

Why does UTI cause false positive pregnancy test?

Serious urinary tract infections (with high levels of WBC, RBC and nitrite) can occasionally cause a false positive pregnancy test result. Ectopic pregnancies typically produce lower levels of hCG than normal preganancies. This will be accentuated by the dilution effect in urine.

What if a pregnancy test turned positive after 10 minutes?

Evaporation Lines

This usually ranges between a couple of minutes up until 10 minutes later. If you see a positive result beyond this time frame, you may be left second-guessing the results. However, the false-positive reading, in this case, is due to something called an evaporation line.

Can a pregnancy test show positive if it sits too long?

If you let the test sit too long the the test may show a false positive result. A false positive is when the tests shows you are pregnant when you actually are not. Pregnancy tests work by detecting a hormone called human chorionic gonadotropin, HCG.

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.

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