Industry Articles   |   about 4 days ago

How Drug Tests Work and Tips to Pass

The second article in a three-part series about the science of drug tests and how to detox quickly when you have to.
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Drug tests have become a common practice in many workplaces and organizations. Employers, schools, and even sports teams use drug tests to ensure that individuals are not abusing illegal drugs or prescription medication. When you consume cannabis, drug testing can be a stressful situation. Before you spiral into worry, it’s important to know how drug tests work and what you can do to ensure you pass.

How Do Drug Tests Work?

Drug tests work by detecting the presence of drug metabolites in a person's body. When drugs are ingested, they are broken down by the liver into metabolites. These metabolites are then excreted from the body through urine, sweat, and other bodily fluids.

Drug tests use various methods to detect these metabolites. For example, urine tests use immunoassay technology to detect drug metabolites. If the test is positive, it is confirmed through gas chromatography/mass spectrometry (GC/MS).

There are several different types of drug tests, each with its specific detection method. Some of the most commonly used drug tests include:

1. Urine tests: These tests are the most common type of drug test and can detect various substances, including cannabis, cocaine, amphetamines, and opioids. Urine tests are relatively inexpensive and can be performed quickly, but they have a limited detection window and are not as accurate as other tests. THC can typically be detected in urine for up to 30 days after occasional use and up to 90 days for regular or heavy users. 

2. Blood tests: Blood tests are more invasive and expensive than urine tests, but they are also more accurate and have a longer detection window. Blood tests can detect a wide range of drugs, including marijuana, cocaine, and opioids. THC can typically be detected in blood for up to a few days after occasional use and up to several weeks for regular or heavy users. 

3. Saliva tests: Saliva tests are non-invasive and can be performed quickly, making them a popular choice for on-site drug testing. However, they have a relatively short detection window and may not be as accurate as other types of tests. THC shows up in a saliva test for up to 72 hours after the last use. 

4. Hair tests: Hair tests are the most accurate type of drug test and have a detection window of up to 90 days. However, they are also the most expensive and invasive type of test. 

Regardless of the type of test used, drug testing typically involves collecting a sample from the individual, such as urine, blood, or saliva, and analyzing it for the presence of metabolites. The test results are then interpreted to determine if the individual has recently used drugs.

It is important to note that drug tests are not foolproof and can sometimes produce false positives or false negatives. Additionally, some substances, such as certain prescription medications, can produce positive results on drug tests even if the individual has not used illegal drugs.

Tips to Pass a Drug Test

If you are facing a drug test, there are several things you can do to increase your chances of passing.

Stop Using Substances

This one may seem obvious, but your first line of defense is to stop using all substances that can cause you to fail a drug test. Depending on the drug, it can take several days to several weeks to leave your system. The detox process begins as soon as you stop consuming.

Drink Plenty of Water

Drinking plenty of water can help flush drugs out of your system. Increasing urination is a simple way to flush out drug metabolites lingering in your system and promote healthier detox. However, be careful not to drink too much water, which can lead to a contaminated urine sample.


Exercise can help increase metabolism, increasing the rate at which you burn fat. Since many drug metabolites (like THC) hide out in the body’s fat cells, burning them faster is beneficial for a detox. Opt for blood-pumping cardio exercises like running, kayaking, HIIT exercises, and kickboxing.

Use Detox Products

There are several detox products available that can help flush drugs out of your system. It’s important to shop from a trusted source with reliable reviews. Detox drinks and kits come in various options depending on your toxicity, body composition, or how many days you have to prepare for your drug test.

Substitute Your Sample

Some people attempt to cheat drug tests by substituting their sample with someone else's urine or a synthetic urine product. While this can be effective, it is also hazardous and illegal.

Be Mindful of Over-the-Counter Medications

Some over-the-counter medications, such as cold and allergy medications, can cause false positives on drug tests. If you are taking any medication, be sure to inform the testing facility.

Understand Your Rights

It is essential to understand your rights when it comes to drug testing. Know what type of drug test you will be taking, how the test will be administered, and what will happen if you test positive. If your employer requires the test, be sure that the details are lined out in your employee handbook.

What Are the Best Detox Products to Pass a Drug Test?

Of all the detox products on the market, the products from PassYourTest stand out. PassYourTest was established to provide top-notch detoxification products to aid individuals in eliminating toxins from their bodies.

When you visit their website, you are prompted to take a detox quiz about consumption frequency, body composition, and other questions to help you find the right product for your situation. Then, depending on how long you have before your test, the site will recommend a detox kit or drink that will help you flush in time.

Same-Day Cleanse: When you have little time to spare, reach for a same-day cleanser. The detox shot and detox capsules go to work quickly (within 90 minutes!) and offer you a six-hour window to pass your test. This isn’t a permanent solution, but a great choice when you receive little to no warning. 

5-Day Detox Kit: If you have time on your side, the 5-day kit might work for you. This is the all-time best seller on the PYT site and includes two at-home tests to track your progress. It also comes with a diet guide, meal plan, and customer support at any time of day to answer your questions. 

10-Day Detox Kit: When time is on your side, a 10-day detox kit is a great option. It contains the same highly targeted capsule formula but accounts for a longer detox window. It also includes the perks of the 5-day kit but with three at-home drug tests. 

Folli-Clean Shampoo: Although not the most common type of drug test, you definitely don’t want to get caught without a plan in the event of a hair follicle test. PYT’s detox shampoo will strip your hair of drug metabolites without destroying the quality of your hair. 

Its team has devoted the past two decades to developing efficient detox programs to assist customers in achieving their personal cleansing goals – whether preparing for a drug test or pursuing a more holistic cleanse. PassYourTest stands behind each product with a complete money-back satisfaction guarantee, ensuring that all customers receive only the best quality products.

Final Thoughts

Knowing what kind of drug test you are taking can help find the right way to flush your system in time. There are several types of drug tests, each with its advantages and disadvantages, but all of them are stressful if you think you might fail. If you are facing a drug test, there are several things you can do to increase your chances of passing, including stopping drug use and choosing a high-quality detox product like those from PassYourTest.


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