Medications that could affect your test include benzodiazepines, phenothiazine, promethazine and others. Urine contaminated with blood or protein can also trigger a false positive. A laboratory-quality test may be your best option for accurate results.
What medications can cause a false negative pregnancy test?
Fertility drugs or other medications that contain HCG might interfere with home pregnancy test results. However, most medications, including antibiotics and birth control pills, don’t affect the accuracy of home pregnancy tests.
Can medication interfere with pregnancy test results?
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.
What can disrupt a pregnancy test?
Read on to learn more about false positives on home pregnancy tests.
- Chemical pregnancy. It’s possible to have a positive pregnancy test even if you aren’t technically pregnant. …
- Ectopic pregnancy. …
- Recent miscarriage or abortion. …
- User error. …
- Evaporation lines. …
- Medications. …
- Certain medical conditions.
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).
What medications cause false positive pregnancy test?
1. Some medications can cause a false positive pregnancy test.
- Some anti-anxiety medications.
- Some antiseizure drugs.
- Parkinson’s disease medications.
- Diuretics (“water pills”)
- Antinausea medications.
Why do I feel like I’m pregnant but the test says negative?
If you feel pregnant but had a negative test result, you may have experienced a very early miscarriage (also known as a chemical pregnancy). This occurs when there is a problem with the fertilized egg, most commonly a chromosomal disorder that makes the pregnancy non-viable.
Can stress affect hCG levels?
In conclusion, stress-related hormones affect placental HCG secretion in vitro. The involvement of these factors in impairing early pregnancy development is suggested.
What causes HCG not to show up in urine?
In addition to testing too early, the following factors can cause a false negative with a urine HCG test: drinking lots of water so that the urine is very diluted. getting too much or too little urine on the test strip. testing with urine late in the day when it may be weaker.
Is a faint line a positive pregnancy test?
Any positive line, no matter how faint, means your result is pregnant. Levels of hCG in your body will increase over the course of your pregnancy. If you test early, your hCG levels may be still be low and you’ll see a faint positive line.
Can you still be pregnant without HCG?
A pregnancy where there is little or no detectable HCG (human chorionic gonadotropin) in the mother’s system and even the fetus may go undetected by doctors, until delivery. HCG is the hormone that makes a home pregnancy test turn positive. A baby that produces very little amount of HCG might fail the pregnancy test.