Intravenous Route of Administration

**Semantic type:** Functional Concept

**Definition:** Administration of a drug within or into a vein or veins. Introduction of the drug directly into venous circulation results in 100% bioavailability due to an absence of the absorption phase, provides a precise and continuous mode of drug therapy, especially for drugs with a narrow therapeutic index.

**Synonyms:** - INTRAVENOUS - INTRAVENOUS - INTRAVENOUS - IV - IV - Intravenous - Intravenous - Intravenous use - Intravenously