Skip to content


PLEASE NOTE: If you are not yet pregnant click here to check out one of our other pregnancy communities.
Pregnancy Tests
An_246518 posted:
I am trying to take a pregnancy test. The directions say that diphenhydramine can cause a false positive result. How long does diphenhydramine stay in your system?
scperdomo7 responded:
It depends on the dosage. Could be anywhere from 6-24 hours.

Featuring Experts

Sarah McMoyler, RN, BSN and mother, is the founder of McMoyler Method. As a specialist in labor and delivery nursing for more than 20 years, McMoyler ...More

Helpful Tips

Think you MIGHT be pregnant? Please read this before posting
Hi folks! The members here and I have noticed we have been getting a lot of folks coming to this board asking " Could I Be Pregnant?". ... More
Was this Helpful?
15 of 17 found this helpful

Report Problems With Your Medications to the FDA

FDAYou are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.