Can you fail an oral drug test if you kiss someone on adderall?

No, Xanax is a legal drug prescribed. Yes, the prescription drug xanax will show up on a drug test. Unless you have a valid prescription for it, you will fail the drug test. These types of drugs are in the benzodiazapine family and are one of many that the lab performing the drug test would be looking for first-due to the fact it is "one" of the most abused drugs. Unless your body has had enough time to excrete the drug out of your system you will fail.