The number of dosage units of pethidine that were reported lost or stolen in the U.S. increased 16.2% between 2000 and 2003, from 32,447 to 37,687.

STRIDE data show that the number of ketamine samples submitted for testing increased from 3,184.6 dosage units in 2001 to 4,367.3 in 2002.

U.S. residents are limited to 50 dosage units (i.e. pills).

Biological agents (bacteria, viruses, parasites) may have different dosage units.

John Phillips was arrested in 1980 for trafficking in "tens of thousands of dosage units of controlled prescription drugs."

The number of methamphetamine tablets seized decreased significantly between 2001 and 2002 from 180,183 to 39,395 dosage units (tablets).

Manufacturers will have three years to limit the amount of acetaminophen in their prescription drug products to 325 mg per dosage unit.

In the U.S., formulations containing more than 15 mg per dosage unit are considered Schedule II drugs, as would any formulation consisting of just hydrocodone alone.

Schedule II lists hydrocodone in pure form and any formulations of combination products containing more than 15 mg hydrocodone per dosage unit.

Schedule III lists hydrocodone in formulations of combination products containing up to 15 mg hydrocodone per dosage unit.