How long do drugs stay in your system? Drug and Alcohol Information and Support in Ireland

February 14, 2022 9:40 am Published by

In some cases, the administrator may ask a person to use a particular bathroom stall to take the test. Half-life durations can run from two to 12 hours depending on the type of amphetamine and route of ingestion used. Amphetamines exist in a variety of forms, both legal and illegal. Legal amphetamines come in prescription form, many of which can be more potent than the illegal forms of the drug. According to the American College of Neuropsychopharmacology, the average amphetamine half life is hours.

To achieve faster effects and a stronger high, people will often crush up these drugs in order to snort or inject them. Extended-release versions of these prescription stimulants come in capsule form, so people will take the drug out of the capsule as well. These drugs are widely abused, particularly among younger people who might want to study or stay up for long hours. The effects of these prescription stimulants, when used recreationally, can be similar to those of illegal drugs like cocaine. For amphetamines, no metabolites are identified because these substances normally pass through the body essentially unchanged in chemical structure.


In a worst-case scenario, they negatively impact a person’s mental health to the point of leaving them suicidal or profoundly depressed. People can benefit from undergoing a detox program, where staff can monitor symptoms and mood as they withdraw from amphetamines and cleanse their bodies of these substances. Experts report that some people may benefit from antidepressant medications as they complete the withdrawal process.

Many “over-the-counter” (OTC) and prescription medicines contain chemicals that are structurally related to amphetamine. These compounds can be identified in the standard amphetamine screening procedures or mistaken for amphetamines. In fact, the Physicians’ Desk Reference provides a list of more than 350 medications how long do amphetamines stay in your system that may produce positive test results for amphetamines. The most common forms of amphetamines are pills, tablets, or capsules, which are swallowed. The less frequent forms, liquid and powder, can be injected or snorted but using this routes of administration increases risk for addiction to amphetamines.

What is the difference between amphetamine and methamphetamine?

The right type of program depends on the person’s level of dependence or the severity of the addiction. The person initially experiences a “crash” that lasts 1-2 days and then experiences a long period of withdrawal that can last anywhere from five days to several weeks. Vyvanse has two half-lives because it must be converted to its active ingredient, dextroamphetamine, in the body. Detection times refer to the amount of time it takes for the body to get rid of the byproducts of the drugs. Some are illegal, such as meth, whereas others are legal and available by prescription, such as Adderall and Ritalin (which are often used to treat ADHD). A urine test can detect meth use for roughly a week, while a hair test’s detection window is usually somewhere around 3 months.

Stimulants – Alcohol and Drug Foundation


Posted: Fri, 03 Mar 2023 08:00:00 GMT [source]

For instance, Adderall XR (extended-release) contains beads that slowly release the active ingredient over 8–12 hours [1]. If a company or organization requires a person to take a 10-panel drug test, they will generally give them notice of about 24 hours. Some professions may require the person to agree to random drug testing where they have little to no knowledge of the test beforehand. Another important fact to note is that a 10-panel drug test will not tell if the person is currently on the drug.

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This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Data sources include IBM Watson Micromedex (updated 1 Oct 2023), Cerner Multum™ (updated 1 Oct 2023), ASHP (updated 10 Sep 2023) and others. Amphetamines rank as a schedule II/IIN controlled substance (2/2N), which means that there is a high potential for the drug to cause physical dependence (addiction). Talk to your healthcare provider about the medicines and supplements that you’re currently taking before starting amphetamines.

how long do amphetamines stay in your system

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