Cephalexin vs Valproic Acid
## Cephalexin vs Valproic Acid: Overview
This comparison examines the pharmacological differences between **Cephalexin** and **Valproic Acid**.
## Mechanism of Action
**Cephalexin**: First-generation cephalosporin inhibiting cell wall synthesis.
**Valproic Acid**: Enhances GABA transmission and blocks sodium/calcium channels.
## Pharmacokinetics
**Half-life**: Cephalexin — 0.5-1.2 hours; Valproic Acid — 9-16 hours.
## Chemical Properties
**Molecular Formula**: Cephalexin — C16H17N3O4S; Valproic Acid — C8H16O2.
**Molecular Weight**: Cephalexin — 347.3890 g/mol; Valproic Acid — 144.2110 g/mol.
**Type**: Cephalexin — Small molecule; Valproic Acid — Small molecule.