Tag: Toxicology screen

A single procedure may be known by a variety of names, including “drug test,” “substance abuse testing,” and “toxicology screen,” all of which describe the process of determining a person's drug usage. This article clarifies the common terminology and procedures related to the question, **what is a drug screening called?**

According to various toxicological reports, numerous medications, including over-the-counter antihistamines like diphenhydramine, are known to cause false-positive results on urine drug screens for tricyclic antidepressants (TCAs). Understanding what medications show up as TCA is crucial for anyone undergoing drug screening, as a false result can have serious consequences.