Does Flagyl affect pregnancy test?

Does Flagyl affect pregnancy test?

Most medicines, over-the-counter and prescription, including birth control pills and antibiotics, should not affect the results of a home pregnancy test. Only medicines that have the pregnancy hormone hCG in them can give a false positive test result.

Can I take flagyl while pregnant?

Conclusion: During pregnancy, treating bacterial vaginosis and trichomoniasis with metronidazole is effective and offers no teratogen risk. Benefit of metronidazole in the reduction of preterm birth was demonstrated for the combination of this medication with other antibiotics.

What medications 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 antibiotics cause a false negative pregnancy test?

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 you be 6 months pregnant and have a negative test?

The hook effect incorrectly gives you a negative result on a pregnancy test. This can happen during early pregnancy or in rare cases — even into the third trimester, when it’s pretty clear you’re preggers. During pregnancy your body makes a hormone called human chorionic gonadotrophin (hCG).

Can metronidazole destroy pregnancy?

Many classes of common antibiotics, such as macrolides, quinolones, tetracyclines, sulfonamides and metronidazole, were associated with an increased risk of miscarriage in early pregnancy, according to a new study.

Is Flagyl safe in first trimester?

We found no association between metronidazole treatment during the first or later trimesters of pregnancy and preterm birth, low birth weight, or congenital anomalies.

Can you get a false negative after a positive pregnancy test?

One explanation for a false negative pregnancy test is what’s called the hook effect. It’s not common but sometimes this effect leads to urine and blood tests giving the wrong result. This error might happen even after you’ve had one positive pregnancy test and test again a couple days later.