cold medicines showing up on blood screen
During this time of year, questions surrounding common cold medicines and their impact on drug testing results commonly arise. Some common prescription and over-the-counter (OTC) medications may contain drugs such as codeine, hydrocodone, and sympathomimetics, which have been reported to affect workplace drug tests.Codeine. Codeine is used in some medications as a cough suppressant.When codeine enters the body and is metabolized, it changes to morphine. Both codeine and morphine are used to relieve pain. The use of codeine-containing products may result in a positive drug screen for codeine and/or morphine.Hydrocodone. This narcotic is widely used to treat pain and is also FDA-approved for use in a handful of prescription medications as a cough suppressant.t is important that the donor keep a record of any such medications that may affect a drug screen. It is suggested that the donor write a list of these medications on his/her copy of the custody and control form after providing a specimen for a drug screen.