Morphine vs Phenylephrine
## Morphine vs Phenylephrine: Overview
This comparison examines the pharmacological differences between **Morphine** and **Phenylephrine**.
## Mechanism of Action
**Morphine**: Mu-opioid receptor agonist.
## Pharmacokinetics
**Half-life**: Morphine — 2-3 hours; Phenylephrine — N/A.
## Chemical Properties
**Molecular Formula**: Morphine — C17H19NO3; Phenylephrine — N/A.
**Molecular Weight**: Morphine — 285.3380 g/mol; Phenylephrine — N/A.
**Type**: Morphine — Small molecule; Phenylephrine — Small molecule.