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A member asked:
Are there any medications that cause false negative on pregnancy blood test? internet says so but i dont know if that is reliable.
A doctor has provided 1 answer
Check Sources!: The internet can be a valuable tool, if sources of the info are cited and appear reliable. Promethazine and diuretics can cause false negative serum pregnancy tests. See this site, and see that that source of the info is listed, by Oxford University Press. https://www.verywellfamily.com/blood-pregnancy-tests-906667 Also note that this article is written by a PhD with a MD supervising.
Answered 7/22/2018
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