Cephalexin vs Tramadol
## Cephalexin vs Tramadol: Overview
This comparison examines the pharmacological differences between **Cephalexin** and **Tramadol**.
## Mechanism of Action
**Cephalexin**: First-generation cephalosporin inhibiting cell wall synthesis.
**Tramadol**: Mu-opioid receptor agonist and serotonin-norepinephrine reuptake inhibitor.
## Pharmacokinetics
**Half-life**: Cephalexin — 0.5-1.2 hours; Tramadol — 5-7 hours.
## Chemical Properties
**Molecular Formula**: Cephalexin — C16H17N3O4S; Tramadol — C16H25NO2.
**Molecular Weight**: Cephalexin — 347.3890 g/mol; Tramadol — 263.3750 g/mol.
**Type**: Cephalexin — Small molecule; Tramadol — Small molecule.