Can promethazine affect pregnancy test?

Can promethazine affect pregnancy test? Some drugs like methadone, chlordiazepoxide, or promethazine can give you a false positive. Urine contaminated with blood or protein can also trigger a false positive. Although very uncommon, it’s still possible to get a false positive because of hCG-producing medical conditions. What medications cause a false negative pregnancy test? Medications […]

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