Dallas, TX
A 23-year-old female asked:

Many people have self reported to test positive for a urine drug test (like cocaine & meth) after having sex with their partner because drugs can transfer through semen and sweat. would thc also create positive test results even if they dont smoke?

1 doctor answer2 doctors weighed in
Dr. Gurmukh Singh
Pathology 51 years experience
Second hand smoke: Second hand smoke from weed is more likely to cause you to have a positive urine test for THC than any transmission through semen. I doubt the explanation of people blaming semen for positive drug test. Have a healthy diet, exercise 30 minutes/day, drink plenty of water daily so your urine is mostly colorless, have safe sex, no tobacco alcohol weed or street drugs. Get HPV vaccine.
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Created for people with ongoing healthcare needs but benefits everyone.
Dr. Perveen Malik
A Verified Doctor commented
A US doctor answered Learn more
false positive drug test is common with certain medicine and food consumption,retesting after stopping such agent is more appropriate.
Mar 14, 2015
A member asked:
Can drugs be passed through semen boyfriend is IV user with meth so need to know if its at all possible for me to fail a drug screen from having sex.
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Created for people with ongoing healthcare needs but benefits everyone.
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A 29-year-old female asked:
I take 500mg of naproxen 2x a day, I keep seeing it causes false positives for THC on urine drug test, is that true?
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Created for people with ongoing healthcare needs but benefits everyone.
Last updated Dec 23, 2020

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