Hair Drug Test vs Urine Drug Test: Which is More Reliable?

Drug testing is a common practice in various fields such as employment and law enforcement. Two of the most common drug testing methods are hair drug testing and urine testing. While both tests have the same objective of detecting drug use, they differ in their effectiveness, reliability, and detection period. Read full article about hair and urine drug testing.


A hair follicle drug test is a less invasive method that involves collecting hair samples and analyzing them for drug metabolites. This method can detect drug use up to 90 days or more after consumption. It is more reliable and difficult to adulterate than urine testing, which makes it an effective tool for detecting long-term drug use. 

A urine drug test, on the other hand, is a non-invasive method of testing that involves analyzing a urine sample for drug metabolites. This method can detect drug use within a few days after consumption, making it an ideal tool for detecting recent drug use. However, urine testing can be susceptible to false positives due to certain medications and foods.

Wrap Up

When deciding between hair drug testing and urine testing, the specific needs of the drug testing program must be considered. For instance, if the goal is to detect recent drug use, urine testing may be the better option. But if the goal is to detect long-term drug use, hair drug tests may be more effective.

Looking for affordable, rapid, and convenient hair and urine drug testing services? goMDnow, as a TPA, is a leading DOT/Non-Drug testing service provider and also offers Nationwide FMCSA Drug & Alcohol Consortium. Order instant test online or locate a drug testing center near you out of 20,000 collection sites nationwide. 

More Information

Difference between DOT/Non-DOT Drug Testing?

How to Pass a Urine Drug Test?

Most Innovative Things Happening with Urine Drug Test

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