Home Products Most Popular Contact
No items in your cart.
The page below is a sample from the LabCE course Pharmacology in the Clinical Lab: Therapeutic Drug Monitoring and Pharmacogenomics. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

Learn more about Pharmacology in the Clinical Lab: Therapeutic Drug Monitoring and Pharmacogenomics (online CE course) »
How to Subscribe
MLS & MLT Comprehensive CE Package
Includes 106 CE courses, most popular
$95 Add to cart
Pick Your Courses
Up to 8 CE hours
$50 Add to cart
Individual course$20 Add to cart

Steady State

Most drugs are not given as a single dose but are part of a multidose regimen. It is the physician's responsibility to prescribe a drug such that the concentration of that drug reaches a safe and effective level as quickly as possible without inducing toxicity. The dosing-goal for the prescribing clinician, if multiple doses of a drug will be given, is for both the peak and the trough drug levels to be consistently within the therapeutic range.

If a drug is given at intervals that are the same as its half-life, it will take about 5 half-lives to reach steady state.