Some drugs will give a false positive urine test-Librium (chlordiazepoxide
), an anti-anxiety medication
also used to control agitation can cause false positive.Diuretics, medications that reduce the amount of fluid in the body, can sometimes cause a false positive pregnancy result on a urine test, according to the Mayo Clinic. Phenergan, a medication used to treat nausea and allergic reactions, can also give false positive results. Methadone, given to treat heroin addiction
, can cause a false positive result on urine pregnancy tests. Follow up with a blood test
will give more accurate results since these donot elevate blood Hcg.