Cephalexin vs Phenylephrine
## Cephalexin vs Phenylephrine: Overview
This comparison examines the pharmacological differences between **Cephalexin** and **Phenylephrine**.
## Mechanism of Action
**Cephalexin**: First-generation cephalosporin inhibiting cell wall synthesis.
## Pharmacokinetics
**Half-life**: Cephalexin — 0.5-1.2 hours; Phenylephrine — N/A.
## Chemical Properties
**Molecular Formula**: Cephalexin — C16H17N3O4S; Phenylephrine — N/A.
**Molecular Weight**: Cephalexin — 347.3890 g/mol; Phenylephrine — N/A.
**Type**: Cephalexin — Small molecule; Phenylephrine — Small molecule.