What is a long-acting injection?
Aug 25, 2023
Source: Cainiu Health
Dr. Yang Shuwen
Introduction
The mechanism of long-acting injections involves delivering medication into muscle or subcutaneous tissue, allowing the drug to be slowly released and gradually absorbed into the bloodstream. This release is typically achieved through specialized drug formulations and delivery systems. Common types of long-acting injections include oil-based depot injections, polymer microsphere depot injections, and poly(lactic-co-glycolic acid) (PLGA) microsphere depot injections.
In general, a long-acting injection is a method of drug administration that involves injecting a drug solution or suspension into the body to prolong the drug's duration and effectiveness. The detailed analysis is as follows:
The mechanism of long-acting injections involves delivering medication into muscle or subcutaneous tissue, allowing the drug to be slowly released and gradually absorbed into the bloodstream. This sustained release is typically achieved through specialized formulations and delivery systems. Common types of long-acting injections include oil-based long-acting injectables, polymer microsphere long-acting injectables, and poly(lactic-co-glycolic acid) (PLGA) microsphere long-acting injectables. Compared with oral medications, long-acting injections offer advantages such as reduced dosing frequency, maintenance of stable blood drug concentrations, and improved patient compliance. If long-acting injections are required, they should be used under the guidance of a qualified physician to avoid improper use that could harm the body.
It is advisable to maintain healthy lifestyle habits in daily life and avoid consuming spicy or irritating foods. Additionally, keep the skin at the injection site clean to prevent infection.
