ARS 13-3458 makes it a crime to have a fake over-the-counter drug. Popular examples of over-the-counter drugs are Tylenol, Advil, Robitussin, and Claritin.
In the state of Arizona, when charged with possession or possession with intent to use an imitation over-the-counter drug, you are being charged with a class 2 misdemeanor.
If the state is successful in convicting you, then you could face jail time of a maximum of 4 months, and, in certain cases, a judge may require you to serve your full term before being eligible for release. The maximum fine you may face is $750.