. Half life < T ½ >- amt of time it takes a drug Cp (concentration in plasma) to decrease by half – serial halfing
- IV Bolus – 100 mg/ L – Half life is 2 hours – 50-25-12.5- 6.25
- At 5 x T ½ the dugs is considerend gone from the body –
- multiply T ½ x 5 to know when drug is gone from body
All drugs have their own halflife
Can be effected by inducers and inhibiters