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What is A patient with normal renal function has received a daily maintenance dose of digoxin for 2 weeks, if the dosage is changed, the new steady state plasma digoxin concentration would be achieved in approximately and explain in detail?
The time required to establish a new steady-state plasma drug concentration when maintenance doses are changed is approximately four half-lives, the same amount of time required to establish the initial steadystate level. Because the half-life of digoxin is approximately 1.6 days, the time required to reach a new steady state is approximately 7 days. Digitoxin has a much longer half-life of approximately 7 days and the time required to reach steady state with digitoxin is approximately 4 weeks. The time required to reach steady state is independent of dose or dosage interval