Doxycycline vs Phenytoin

Doxycycline vs Phenytoin: Overview

This comparison examines the pharmacological differences between Doxycycline and Phenytoin.

Mechanism of Action

Doxycycline: Inhibits bacterial protein synthesis by binding 30S ribosomal subunit.

Phenytoin: Sodium channel blocker stabilizing inactive state.

Pharmacokinetics

Half-life: Doxycycline — 18-22 hours; Phenytoin — 22 hours.

Chemical Properties

Molecular Formula: Doxycycline — C22H24N2O8; Phenytoin — C15H12N2O2.

Molecular Weight: Doxycycline — 444.4350 g/mol; Phenytoin — 252.2680 g/mol.

Type: Doxycycline — Small molecule; Phenytoin — Small molecule.