Pharmacy is a scientific discipline concerned with the discovery, analysis, formulation, and safe application of medicinal substances. It encompasses pharmacology, which studies the effects of chemical compounds on biological systems, and pharmaceutical science, which focuses on the methods of drug preparation and dosage forms. The field is critical for understanding drug kinetics—how a substance is absorbed, distributed, metabolized, and excreted within the body—and pharmacodynamics, which describes the biochemical interactions between drugs and their targets. Modern pharmaceutical practice involves ensuring the purity, stability, and bioavailability of compounded materials to maximize therapeutic efficacy while minimizing potential adverse effects and harmful interactions with other medications or bodily processes.