what can cause false positive for marijuana
Hemp Foods. Besides NSAIDs, efavirenz, and dronabinol, hemp food consumption is also thought to be able to cause a false-positive UDS for marijuana. Food containing hemp seeds or oil can often be found in cold-pressed oil for cooking, salad dressings, and capsules as nutritional supplements.
The quinolone antibiotic drugs can trigger false positives for opioids, and the HIV medication Sustiva can show up as marijuana use, Smith says. On the other hand, just being in the room with someone who is smoking marijuana is not going to trigger false positive results, no matter what your child claims, he says.
Prescription Drugs That Lead To False Positive Marijuana Drug Testing. 1  iMarijuana.com. > Drug Tests. 2  If you have been asked to undertake a marijuana drug test, this piece of information on medications and prescription drugs triggering a false positive drug test would surely be useful to you.