Drug delivery refers to the process of administering medication into the body using various methods such as injection, oral consumption, or inhalation. Alternative words that can be used to describe drug delivery include pharmaceutical delivery, medication administration, medicinal delivery, therapeutic delivery, treatment delivery, pharmacological delivery, and drug dispensing. Pharmaceutical delivery and medication administration are the most commonly used phrases in healthcare, while medicinal delivery and therapeutic delivery highlight the curative nature of drug delivery. Treatment delivery and pharmacological delivery emphasize the therapeutic effects of the medication, while drug dispensing refers to the act of administering drugs to patients. Regardless of the phrasing used, drug delivery is a crucial aspect of medical treatment.