Cephalexin

Keflex

Antibiotic • First-generation cephalosporin

Half-life

0.5-1.2 hours

Protein Binding

10-15%

Metabolized By

N/A

External

Inhibits bacterial cell wall synthesis

Drug Class

Antibiotic

Subclass

First-generation cephalosporin

Keflex

Half-life

0.5-1.2 hours

Time for plasma concentration to decrease by 50%

Protein Binding

10-15%

Fraction bound to plasma proteins

Therapeutic Index

Wide

Margin between therapeutic and toxic doses