Tuesday, September 3, 2013

What is plasma half life? What are the importance of plasma half life?

Plasma half life:
It is the time by which plasma concentration of a drug reduced to it's half.

Importance:
  • Plasma half life gives idea about
    • Duration of action of drug
    • Amount of drug to be administered
    • Frequency of administration
  • Useful in estimating the time to steady state.
  • Useful in estimating time required for drug removal from the body.
  • Useful in estimation for appropriate dosing interval.

2 comments:

Unknown said...

It is the time taken for the drug concentration to fall one half of it original value in the plasma.

Bayazid BD said...

Helpful