There are several prescribed medications – and even over the counter drugs – that can be detected during testing. These are all medications that can potentially affect a person’s ability to work safety. Medications include opioids (e.g. codeine, morphine, fentanyl and oxycodone), medicinal cannabis, benzodiazepines, anti-anxiety medications, antihistamines, epilepsy medications, and dexamphetamine ADHD medication. See this post for more details.



