The Drug Half-Life Calculator provides an estimated length of time for the drug effects to resolve or wear off—in other words, how long it might take to eliminate a particular drug from the body.
To use the tool, simply input the corresponding information.
The decrease in plasma concentration follows 7 stages
■ 50%
■ 25%
■ 12.5%
■ 6.25%
■ 3.125%
■ 1.562%;
■ 0%.
The following table introduces the half time of most common active substances:
Hours
Infrequent users: 1.3 days
Regular users: 13 days