It's actually spelled Alprazolam, and is more well-known as Xanax. It is primarily prescribed to treat panic and anxiety disorders.
It is generally not recommended to take alprazolam (a benzodiazepine) with NyQuil, as both can cause sedation and increase the risk of respiratory depression and other side effects. Combining these medications can enhance drowsiness and impair your ability to function. Always consult with a healthcare professional before mixing medications to ensure safety.
Tranxene is in the Benzodiazapine class of drugs, and if the test tests for Benzo's, then yes. Tranxene will show up on a drug test. Other drugs in this class are often abused, drugs such as: Xanax (alprolazam) Valium (Diazapam) Klonipin (clonipazam) Ativan (lorazapam) as well as other drugs used to treat anxiety, seizures which are in this class of drug.