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commonly abused prescription drugs

How Long Do Prescription Drugs Stay In Your System?

Half-Life of Prescription Drugs How Long Do Prescription Drugs Stay In Your System? A medication’s biological half-life refers simply to how long it takes for half of the dose to be metabolized and eliminated from the bloodstream. Or, put another way, the half-life of a drug is the time it takes for it to be reduced by half. For example, the half-life of ibuprofen (the active ingredient in pain and fever relievers such as Advil and Motrin) is about two hours. This means if you take a dose of 400 milligrams (mg) of ibuprofen at noon, half of the dose (200 mg) will have been eliminated from your bloodstream by 2 p.m. By 4 p.m., another 100 mg will have been eliminated, and so forth. It’s important to note that the expected half-life of a drug varies from person to person, depending on factors such as age, weight, genetics, and even specific health issues. For example, the half-life of acetaminophen (the active ingredient in Tylenol), can be significantly affected by a person’s liver function, since acetaminophen is primarily processed through the liver. Prescription drug detox is part of the treatment process for recovering from prescription drug addiction. Prescription drug addiction is a…