Other medications can also cause false-positive pregnancy tests. They include but aren’t limited to: anti-anxiety medications, like diazepam (Valium) or alprazolam (Xanax) antipsychotics, such as clozapine or chlorpromazine.
Can Xanax give a false positive pregnancy test?
Most medications cannot create a false positive pregnancy test. However, medications that contain hCG can cause a false positive pregnancy test result. These medications are often used in some fertility drugs. Commonly prescribed anti-anxiety drugs, such as Valium or Xanax, can also cause a false positive result.
What medications can cause positive pregnancy test?
1. Some medications can cause a false positive pregnancy test.
- Some anti-anxiety medications.
- Antipsychotics.
- Some antiseizure drugs.
- Parkinson’s disease medications.
- Diuretics (“water pills”)
- Antihistamines.
- Methadone.
- Antinausea medications.
How common are false positives on early pregnancy tests?
A false-positive test result only happens less than 1% of the time, but when it does, it can make the following days or weeks confusing before you realize you’re not actually pregnant.
What medications affect hCG levels?
These medicines can cause false low hCG levels in urine test results. You use heparin, a medicine to prevent blood from clotting (anticoagulant). You use certain medicines. These include hypnotics (such as Ambien), antipsychotics, and antinausea medicines (such as prochlorperazine).
Can drugs affect a pregnancy test?
Most medicines should not affect the results of a home pregnancy test. This includes over-the-counter and prescription medicines such as birth control and antibiotics. Also, alcohol and illegal drugs do not affect pregnancy test results.
Which benzodiazepine is safe in pregnancy?
The available literature suggests that it is safe to take diazepam during pregnancy but not during lactation because it can cause lethargy, sedation, and weight loss in infants. The use of chlordiazepoxide during pregnancy and lactation seems to be safe.
How do antihistamines affect pregnancy tests?
Urine hCG tests may give a false-negative result if the urine is too diluted or if testing is done too soon in the pregnancy. Certain drugs such as diuretics and promethazine (an antihistamine) may cause false-negative urine results.
Can drugs interfere with pregnancy test?
Can antihistamines cause a false negative pregnancy test?
What causes false positive benzodiazepine test results?
A search of false positive benzodiazepine screenings showed the selective serotonin reuptake inhibitor (SSRI) sertraline (Zoloft, others) and the non-steroidal anti-inflammatory drug (NSAID) oxaprozin (Daypro, others) to be associated with, or possible causes of, these false-positive results. 4-7
What medications can cause a false positive pregnancy test?
Anti-Anxiety Medication and Tranquilizers: These types of medications can push the levels of HCG hormones up, which can give you a false test result. This is usually more common with prescription anti-anxiety medications, such as azapirones, benzodiazepines, and hydroxyzine.
Can Daypro [oxaprozin] cause false positive test results?
“False-positive urine immunoassay screening tests for benzodiazepines have been reported in patients taking DAYPRO [oxaprozin]. This is due to lack of specificity of the screening tests. False-positive test results may be expected for several days following discontinuation of DAYPRO [oxaprozin] therapy.
Can you get a false positive pregnancy test if you’re not pregnant?
Getting a true false positive – when you were never pregnant in the first place – is incredibly rare. A test will only show a false positive if you have hCG in your system for another reason such as you were recently pregnant, are taking fertility medications containing hCG, or if you have a medical condition, like some rare ovarian cysts.
