Buprenorphine vs Paroxetine

## Buprenorphine vs Paroxetine: Overview

This comparison examines the pharmacological differences between **Buprenorphine** and **Paroxetine**.

## Mechanism of Action

**Buprenorphine**: Partial mu-opioid receptor agonist and kappa antagonist with high receptor affinity.

**Paroxetine**: Potent selective serotonin reuptake inhibitor with additional muscarinic and NE reuptake inhibition.

## Pharmacokinetics

**Half-life**: Buprenorphine — 24-42 hours; Paroxetine — 21 hours.

## Chemical Properties

**Molecular Formula**: Buprenorphine — C29H41NO4; Paroxetine — C19H20FNO3.

**Molecular Weight**: Buprenorphine — 467.6430 g/mol; Paroxetine — 329.3730 g/mol.

**Type**: Buprenorphine — Small molecule; Paroxetine — Small molecule.