My daughter showed positive results for marijuana on a urine drug test. The only meds that she took prior to the test was naproxen.
11 Feb 2013
Urine tests are very unreliable, and I personally think it should not be used if the doc is going to take any action on it without doing a better test. Naproxen and the other NSAIDS can cause false positives for amphetamines and THC. If other tests done were as unreliable, they wouldn't use them at all.
- Naproxen Information for Consumers
- Naproxen Information for Healthcare Professionals (includes dosage details)
- Side Effects of Naproxen (detailed)
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