Antibiotics Cause False Positives on Heroin Tests. Among the items reported as causing false positive test results are: Pain relievers such as Advil, Nuprin, Motrin and menstrual cramp medications like Midol and Trendar. All drugs containing the widely used pain reliever Ibuprofen are known to cause positive samples for Marijuana.
If you include this extra time on the tarmac, the average total elapsed time from gate to gate flying from Los Angeles, CA to Newark, NJ is 5 hours, 13 minutes.
Its return flight was Singapore Airlines Flight 22 from Singapore to Newark, which was the second-longest flight in the world, being scheduled to be fifteen minutes shorter due to prevailing high-altitude winds.