Steady State
Css定义
The condition where the rate of drug administration equals the rate of drug elimination, resulting in a stable average plasma concentration. Steady state is typically reached after 4-5 half-lives of continuous dosing.
示例
If a drug has a 12-hour half-life and is taken twice daily, steady state is reached in about 2-3 days (4-5 × 12 hours).
相关术语
在指南中提及
-
What Is a Drug's Half-Life?Half-life explains how long a drug stays active in your body and determines how often you need to take it. …
-
Loading Dose vs. Maintenance DoseSome medications start with a larger "loading" dose before settling into a regular routine. Here is why that strategy exists …
-
Therapeutic Drug Monitoring (TDM)For some medications, measuring drug levels in blood is the most reliable way to confirm the dose is right. Learn …
-
Medication Adherence: Why Consistency MattersTaking medications consistently and as prescribed is one of the most powerful things you can do for your health — …
-
Long-Acting Injectable MedicationsLong-acting injectables transform daily pills into monthly or even biannual doses. Learn how these formulations work, which drugs use them, …