Ibuprofen vs Sildenafil
## Ibuprofen vs Sildenafil: Overview
This comparison examines the pharmacological differences between **Ibuprofen** and **Sildenafil**.
## Mechanism of Action
**Ibuprofen**: Non-selective COX inhibitor reducing prostaglandin synthesis.
**Sildenafil**: Selective PDE5 inhibitor increasing cGMP.
## Pharmacokinetics
**Half-life**: Ibuprofen — 2-4 hours; Sildenafil — 4 hours.
## Chemical Properties
**Molecular Formula**: Ibuprofen — C13H18O2; Sildenafil — C22H30N6O4S.
**Molecular Weight**: Ibuprofen — 206.2810 g/mol; Sildenafil — 474.5800 g/mol.
**Type**: Ibuprofen — Small molecule; Sildenafil — Small molecule.