Things you need to know about a drug test!

If you are ever asked to take a drug test, aka a 'Drug Test', it is normal to feel a little scared and nervous. 'Why is this?' 'What will happen?' Many questions may come to mind. So, today we will talk about what this drug test really is, when it is done, how it is done, and how to understand the results. When you know these things well, you can avoid unnecessary fear.

What is a drug test?

Simply put, a drug test is a test that uses a biological sample from your body – something like urine, blood, hair, or saliva – to determine whether you have used a legal or illegal drug. These tests are done for a variety of reasons and using a variety of methods.

When we say drugs, we mean not only legal alcohol and tobacco, but also over-the-counter medications, prescription medications, and illegal drugs. But one thing to remember is that a single drug test cannot tell exactly how long or how heavily someone has been using drugs. That is, it is difficult to determine whether someone is a casual user or has a substance use disorder.

The rate at which our bodies metabolize different drugs varies. Therefore, the time it takes for some drugs to be detected in the body is specific to each drug and can vary greatly. Currently, the most commonly used test for drug detection is urine drug testing (UDT).

When do I have to take a drug test?

There are several reasons why you might want to take a drug test. Let's take a look at what they are.

Workplace Testing

Drug testing is often done in the workplace. Employers may request these tests for a variety of reasons:

• Before hiring a new employee: Some organizations conduct this test before hiring a new employee.
• While on the job: Some organizations test their employees randomly or on a schedule.
• If drug use is suspected: If an employee's behavior or symptoms indicate that he or she is using drugs.
• If an accident occurs at work: If an employee is involved in an accident at work, this investigation can also be conducted to determine the cause.

Medical Reasons & Addiction Treatment

These tests are used to diagnose, treat, and monitor alcohol use disorders and other substance use disorders. They can help determine how well someone is responding to treatment, whether they are staying sober, or whether they are relapsed.

These tests may also be required during court-ordered treatment programs, probation periods, or when participating in drug addiction treatment programs.

Other reasons

There are other situations where drug tests are required.

• Medical tests and diagnostics: Doctors may perform these tests to find the cause of a person's symptoms, or in an emergency if they suspect a drug overdose or poisoning. For example, if someone suddenly loses consciousness, this can help determine if they have taken any drugs.
• For legal purposes: These tests are used in legal proceedings to collect evidence related to a crime, investigate cases of child abuse or endangerment, and determine whether someone is driving under the influence of alcohol or other drugs.
• Prescription Drug Abuse Monitoring: If you are taking a highly addictive and abuse-prone drug, such as opioids, your doctor may order this test to see how much of that drug is in your body.
• For athletes: Professional athletes must undergo these tests to see if they have used performance-enhancing drugs or other substances that are believed to enhance their performance.

What types of drug tests are there?

There are several types of drug tests, depending on the biological sample used and the type of drug being tested.

Let's see what the main types of tests are according to the sample:

• Urine Drug Testing (UDT): This is the most common test . It requires a sample of your urine. It is most commonly used to detect substances such as alcohol, amphetamines, benzodiazepines, opioids, cocaine, and marijuana (THC).
• Blood Drug Testing: Doctors use this mainly in emergency situations. It is also used to determine the exact level of alcohol (ethanol) because it can give an accurate reading.
• Hair Follicle Drug Testing: A hair sample can tell if someone has been using drugs for a long time. Hair on the scalp can detect drug use within about three months. Hair growing on other parts of the body can detect drug use for up to 12 months! However, results can vary from person to person, depending on the type of hair. This method can detect substances such as Cocaine, Phencyclidine (PCP), Amphetamines, Opioids, and 3,4-Methylenedioxymethamphetamine (MDMA).
• Breath Drug Testing: This is mainly used to see if someone has recently consumed alcohol. The result is called the Breath Alcohol Concentration (BrAC). Officers use this to estimate a person's blood alcohol content (BAC). However, sometimes the BrAC value can be higher or lower than the BAC value. New research is also being done to see if substances such as cocaine, marijuana, benzodiazepines, amphetamines, opioids, methadone, and buprenorphine can be detected in breath.
• Sweat Drug Testing: This involves placing an absorbent pad on the skin and removing it after a certain period of time to test it. This provides information about how much drug the person used during the entire time the pad was worn. A sweat test can detect drug use over a period of hours to weeks.

What does a drug test find?

When someone ingests a drug, it is absorbed from our gastrointestinal tract and distributed to the rest of the body. Then, our liver and other organs break down the drug, or metabolize it. As a result of this metabolic process, the drug is converted into other chemicals. These are called metabolites. After a certain amount of time, the drug and/or its metabolites are eliminated from the body, mainly in the urine.

So, a drug test is done to check for the presence of specific drugs and/or their metabolites in a biological sample (e.g. urine, blood).

This metabolic process occurs at different rates for each drug. Therefore, the time it takes for each drug and its metabolites to be detected in a test is different. For example, some drugs, such as amphetamines, can be detected in urine as long as the parent drug. However, for many other drugs, their metabolites can be detected for a longer period of time than the parent drug.

Sometimes a drug test can only detect one drug. However, more often than not, multiple drugs are tested in the same sample. This is called a drug panel test. The types of drugs included in this panel vary depending on the reason for the test, but a commonly used panel to detect illegal drug use typically looks for these five things:

• Amphetamines
• Cocaine
• Marijuana (Hemp)
• Opioids
• Phencyclidine `(PCP)`

Other substances commonly tested are:

• Alcohol (ethanol)
• Antidepressants
• Barbiturates
• Benzodiazepines
• Fentanyl
• Heroin
• Hydrocodone
• Methadone
• Methamphetamine
• Morphine
• Nicotine and cotinine (found in tobacco)
• Oxycodone

Are there any at-home drug tests?

Yes, there are. There are some kits that allow you to test a urine sample at home, in person. Some kits may even use breath, saliva, or hair. However, the accuracy of these products is not the same, meaning they can vary. They are usually not as sensitive as laboratory tests. This means that even if a home test gives a negative result, the same sample may still give a positive result if sent to a laboratory.

The American Academy of Pediatrics advises parents to avoid testing their children for drugs at home. Research has shown that home tests do not reduce drug use. There is also a risk that the results of home tests can be misinterpreted. This can also negatively affect the relationship between young children and parents.

How should I prepare for a drug test?

Actually, there's nothing you need to do specifically to prepare for a drug test.

This test may be done in an emergency, planned in advance, or randomly (for example, as an ongoing need in the workplace).

Depending on the situation, you may be asked about any medications or supplements you are taking, as some medications can affect test results.

What to expect when taking a drug test?

A drug test can be done with a small sample of your blood, hair, saliva, breath, or, most commonly, urine (pee).

• For a urine sample: You will need to urinate into a clean container provided to you. In some cases, you may be asked to give the urine sample in front of a nurse or technician to make sure that the sample is actually yours.
• For a blood sample: A person trained to take blood samples (a phlebotomist) will take a small amount of blood from a vein in your arm or hand.

After the sample is taken, it is sent to a laboratory for analysis.

How long does it take to get the results of a drug test?

The time it takes to get results from a drug test varies, depending on the reason for the test (e.g., emergency, work-related), and the type of test.

Results from urine and blood tests are usually available more quickly than results from hair tests.

Check with the institution that requested the test to find out when you can expect the results.

What are the results of a drug test?

The results of a drug test are usually reported as 'positive' or 'negative'.

• A positive result means that a drug is detected at or above the reference range specified for the test.
• A negative result means that the drug in question was not detected, or was not present at a sufficient level to produce a positive result.

What do the results of a drug test say?

There are several things to keep in mind when interpreting the results of a drug test.

Understanding a positive result

A positive drug test result simply means that a person had a detectable amount of a drug in their system at a specific time. A positive result does not necessarily mean that the person was intoxicated at the time, nor does it necessarily mean that they have a substance use disorder.

If an initial drug test produces a positive result, confirmatory testing is usually required. This confirmatory testing is done using a different type of drug testing method. This reduces the risk of false-positive results – that is, a person who has never used drugs but still has a positive result – and increases the accuracy of the overall drug test.

Some medications and foods can also cause false-positive results. For example, eating poppy seeds can cause a positive result on an opioid test. Similarly, taking some over-the-counter cold medicines can cause a positive result for phencyclidine (PCP).

Understanding a Negative Result

A negative result on a drug test simply means that the drug in question was not detected. This could be because the level of the drug was not high enough to be detected, or because the drug was used outside the detection window. However, a negative result does not completely rule out recent drug use or a substance use disorder.

False-negative results – that is, a test that says 'no' even though someone has used drugs – can occur for several reasons:

• The sample was not collected properly or the test was not performed properly.
• The person in question attempts to cheat on the test (e.g., providing someone else's urine sample).
• Failure to test for the drug in question with a specific test (e.g., an amphetamine test does not detect all types of amphetamine).

Finally, things for you to remember (Take-Home Message)

Drug tests are used for a variety of reasons. If you have to take a drug test, it can be a bit stressful. But remember, doctors and officers analyze these results very carefully and try to make sense of them. In many cases, if a positive result comes back, a confirmatory test is required to eliminate the possibility of a false-positive result.

If you have any questions about the drug testing process or the timing of the results, feel free to ask the person who ordered the test or the doctor. It is your right. I hope this information will help you gain a clear understanding of this.

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