Lisinopril vs Promethazine
## Lisinopril vs Promethazine: Overview
This comparison examines the pharmacological differences between **Lisinopril** and **Promethazine**.
## Mechanism of Action
**Lisinopril**: ACE inhibitor preventing conversion of angiotensin I to angiotensin II.
## Pharmacokinetics
**Half-life**: Lisinopril — 12 hours; Promethazine — N/A.
## Chemical Properties
**Molecular Formula**: Lisinopril — C21H31N3O5; Promethazine — N/A.
**Molecular Weight**: Lisinopril — 405.4900 g/mol; Promethazine — N/A.
**Type**: Lisinopril — Small molecule; Promethazine — Small molecule.