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A member asked:
Can zofran (ondansetron) cause false positive pregnancy test? if so how common is it?
2 doctors weighed in across 2 answers
Extremely rare: According to eHealthme, a private consulting company that looked into adverse reactions/side effects of Zofran, only 1 in 22,426 people taking Zofran reported a false positive pregnancy test.This does not mean the odds are 1 in 22,426, but it does shows that it is rarely reported. Phenergan, (promethazine) a different medication that is also used to treat nausea, HAS been reported to cause false positive tests.
Answered 9/16/2019
1.2k views
Get blood test: If you have a positive result on a correctly done urine, test, it is prudent that you get a blood test for HCG level to confirm or rule out pregnancy. Unless proven otherwise, a positive urine test after a missed period should be considered as diagnostic of pregnancy. For the sake of your and your potential baby's health, you should seek medical care.
Answered 6/13/2016
1.2k views
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