What could cause false positive urinalysis for THC?

Answer:
Marijuana

THC - Substances or Conditions which can cause false positives
  • Dronabinol (Marinol)
  • Ibuprofen; (Advil, Nuprin, Motrin, Excedrin IB etc)
  • Ketoprofen (Orudis KT)
  • Kidney infection (Kidney disease, diabetes) Liver Disease
  • Naproxen (Aleve)
  • Promethazine (Phenergan, Promethegan)
  • Riboflavin (B2, Hempseed Oil)
First answer by ID1192335123. Last edit by 1R1. Contributor trust: 2 [recommend contributor recommended]. Question popularity: 1 [recommend question].