Drug testing is most commonly a precaution employers take in order to ensure a prospective employee will be productive and reliable.
Contrary to popular stereotypes, not all tests sample urine or look for the same drugs. Some testing methods can detect drug use from long before the test date. Stereotypes have some basis in fact, and it is true that this test is by far the most common. As the body metabolizes different substances, the byproducts are often passed through the kidneys and into urine for disposal. These byproducts are specific to each drug and this test can identify those byproducts that end up in urine.
Saliva testing is often chosen due to its less invasive nature, but its window for accurately detecting drug use is much smaller than urine testing. Unless drugs are consumed within several hours of testing, the test may not identify their presence accurately. Make a Call Like the urine test, this one relies on detecting the metabolic byproducts produced by your body after consuming drugs.
This test can detect some drugs, like Marijuana , months after use. As your body metabolizes the drug, the metabolites byproduct molecule can flow through blood in the scalp and deposit on growing hairs. As such, hair can function as a months long log of what substances a person digests.
This testing is less common, seeing as most workplace drug tests are meant to look for recent or ongoing drug use. It is the only of these tests that can guarantee a result during the test, others usually rely on specialized test facilities to verify results. The cost and rigor of performing this test often dissuade employers from using it.
This is one of the newer and less common ways to test for drugs. Testing sweat takes much longer, up to two weeks, and is more commonly used to monitor someone on probation rather than testing someone for employment. If you or a loved one is struggling with addiction, contact a treatment provider for rehab-related help. Michael Muldoon earned a B. He enjoys spending his free time at the climbing gym with friends. All of the information on this page has been reviewed and verified by a certified addiction professional.
Theresa is also a Certified Professional Life Coach and volunteers at a local mental health facility helping individuals who struggle with homelessness and addiction. Pick up the phone and call today to learn more about our addiction treatment programs.
All of the information on this page has been reviewed and verified by a certified addiction professional. She currently practices in the public domain in South Africa. She has an interest in medical writing and has a keen interest in evidence-based medicine. Table of Contents. Share Tweet Pin. Medically Reviewed: September 25, Select basic ads. Create a personalised ads profile. Select personalised ads. Apply market research to generate audience insights.
Measure content performance. Develop and improve products. List of Partners vendors. OxyContin controlled-release oxycodone hydrochloride is a long-acting opiate prescribed for moderate to severe pain when pain relief is needed for an extended time. It is the brand name of an extended-release formulation of oxycodone.
OxyContin can be detected in blood, urine, saliva, and hair, although detection windows vary depending on the type of test that is used. A single dose of OxyContin works in your body for about 12 hours, but the drug and its break-down products may be detectable for much longer.
In addition to its high potential for dependence and addiction, taking OxyContin in high doses or combining it with other substances poses a risk of overdose. By understanding how long it stays in your system, you may be able to prevent these reactions.
The pill is designed to release oxycodone over a period of 12 hours. The initial absorption is in a little over a half-hour and then there is a second release from the pill about seven hours later.
When you first start taking the prescription, you should reach steady levels of the drug in your bloodstream after 24 to 36 hours. The exact mechanism of action is not known, but the drug is believed to impact opioid receptors resulting in changes in the way that the brain responds to pain.
It acts as a depressant in the central nervous system, which is why it decreases heart and breathing rates. If you experience more serious side effects such as confusion, difficulty urinating, fainting, seizures, severe drowsiness, or very slow breathing, you should contact your doctor or emergency services right away. The elimination half-life of OxyContin is about 4. The half-life is the amount of time it takes for half of a substance to be eliminated from the body. This means the drug's action is effectively eliminated from the blood in Taking the medication with food doesn't affect the absorption, but you may have higher plasma levels when you take it with a high-fat meal.
Plasma levels may also be higher in the elderly and people with renal or liver impairment. Your body breaks down oxycodone hydrochloride into noroxycodone, oxymorphone, and noroxymorphone.
It is then excreted by the kidneys into the urine. OxyContin can be detected by screening tests used in employment, forensic, and medical settings. OxyContin can be detected by a urine test for up to four days after the last dose. Since everyone metabolizes medications differently, the half-life will vary from person to person.
For most people, oxycodone will fully clear the blood within 24 hours, but it can still be detected in the saliva, urine, or hair for longer than that. Controlled or extended-release formulations last longer, so they are usually taken every 12 hours. A number of factors can influence the time it takes for oxycodone to clear the body.
These include:. The blood concentrations of oxycodone have been shown to be 15 percent higher in the elderly over age 65 compared to younger adults. It may take longer for elderly people to clear oxycodone from their system. According to the package insert for OxyContin, oxycodone concentration for healthy female subjects was up to 25 percent higher than in males.
The same was seen in studies for Xtampza ER. The reason for this is unclear. The average half-life of oxycodone increases by 2. This means it will take longer to clear oxycodone from the body. One study found that the average half-life of oxycodone increases by one hour in people with kidney problems. If you take oxycodone regularly, it can accumulate in fatty tissues in your body.
The effects of oxycodone are increased if you consume alcohol. Not only will it take longer to clear oxycodone from your body, but it can also lead to dangerous side effects, including a potentially fatal overdose. Drugs that inhibit CYP3A4 make it more difficult for your body to break down oxycodone.
Taking oxycodone with the following medications could result in serious problems, including respiratory depression:. Withdrawal symptoms occur when the body has become dependent on a drug.
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