Half Life Of A Drug at Life

Half Life Of A Drug. This depends on how the body processes and gets rid of the drug. As described earlier, the greater the concentration.

The half time or life of a dose is defined as the period of time after administration, in either hours of minutes, in which the dosage reaches half of its concentration in the plasma. 💡 the half life of a drug describes the amount of time it will take half of the administered drug to be eliminated. T1/2 is dependent on the rate constant (k), which is related to vd & clearance (cl).

First Pass Metabolism Pharmacology Lect 6 YouTube

It can vary from a few hours to a few days, or sometimes weeks. This depends on how the body processes and gets rid of the drug. Most of the time, this process involves processing by the liver and kidneys and then elimination via excretion. Pharmacologically this is expressed as the peak minus through concentrations, divided.