The scheduled administration of individual drug doses, usually expressed as a quantity per unit of time.
For example, a prescribed drug dosage may be 200 mg per day (but the individual dose could be 100 mg in the morning and 100 mg in the evening).
See also: Dose.
Reference: AIDSinfo. Glossary. Internet. Accessed August 7, 2009. Available at http://www.aidsinfo.nih.gov/glossary/GlossaryDataCenterPage.aspx?fromLetter=A