How Long Do Drugs Stay in Your Hair?

Jul 6, 2017 0 Comments in Uncategorized by
How Long Do Drugs Stay in Your Hair?

Drugs can usually stay in your hair for a period of about 90 days. However, different drugs can cause different results, as can the use of those drugs by different individuals.

Whether you choose to receive drug testing results through hair, urine, or another type of analysis, National Labs can help you find the best options for your needs.

We Are Always Available To Talk About New Partners: 877-304-5183

Why Do People Use Hair for Drug Testing?

Hair testing is one of the newer options for drug testing, according to the Substance Abuse and Mental Health Services Administration, but it is also one of the more popular options today. One of the reasons is because it is very difficult to trick a hair test, which means testing for adulteration isn’t usually necessary. Also, people who have been using drugs aren’t able to just clean themselves up and go take the test. The drug will linger in the hair for a certain amount of time, even through washings.

For this reason, many people want to use hair testing, even though the option is newer and has not been proven as many times as some of the older forms of testing. Still, the length of time associated with hair testing and drug screening is considerable compared to other options.

How Long Do Drugs Stay in Your Hair?

Most drugs will stay in a person’s hair for a period of at least 90 days. This is much longer than the detection times associated with other tests. However, there are some factors that can affect the length of time drugs stay detectable in a person’s hair.

  • Drugs are detectable longer in body hair than they are in hair found on the head.
  • Certain drugs won’t last as long in hair as others, although this usually just causes a variance of a few days.
  • When a person uses drugs often, the traces will linger longer in the hair as opposed to someone who uses sparingly.
  • A person with a slower metabolism will see traces in their hair longer than someone with a faster metabolism.
  • A person who uses very potent drugs will keep traces in their hair longer as well.

These factors may change the timeline minimally, but with most drugs of abuse, you should expect them to stay in hair for about 90 days or so.

Hair Tests vs. Urine Tests

Hair tests may be all the rage, but urine tests have been around much longer and are very accurate. According to SAMHSA, government agencies still only use urine tests to determine the possibility of one’s drug use. While hair tests are becoming more and more popular to be able to determine if someone uses drugs chronically and often, urine tests are still the most effective option when it comes to determining if an individual abused drugs in the past week or so.

When you consider the differences, you can see that hair testing does provide a look back over a long period of time that urine testing doesn’t offer. However, mass spectrometry testing does provide the most accurate and trusted results, and anyone who has been using drugs chronically will be likely to have used them in the past week or so, making them susceptible to a urine test.

Find Out More About Drug Testing Today

We can teach you more about drug testing for employers, outpatient rehab centers performing medication monitoring, or other clients seeking this option. Call 877-304-5183 today to speak with a National Labs expert.

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