Drug testing: Why do we need to test? What are the testing methods?

Drug test at Intouchmedicare. Importance and Methods

Drug test is a crucial screening tool for job applications, workplace drug testing, and self-health checks. Drug tests can be performed in different ways, including urine tests, blood tests, and even sweat tests.

This article will help you get ready before you visit our clinic by outlining the significance of drug tests, the different kinds of tests that are offered, who is a suitable candidate for them, and the test prices.

Interesting facts about drug test

Why is a drug test necessary?

A drug test is significant for a number of reasons, including

  • Detection of illegal substances including methamphetamine, marijuana, and cocaine in order to stop and manage drug usage in society.
  • Protection and surveillance of vulnerable population such as students, drivers, and employees in safety lines to ensure confidence in daily life and work.
  • It facilitates medical diagnoses in emergency situations like seizures, loss of consciousness, or suspected poisoning. 
  • It has been used to ensure justice and openness in legal and employment systems, including job applications, court cases, and accident cases.
  • Monitoring of drug addiction treatment and cessation outcomes in order to evaluate recovery progress, avoid relapse, and assist in treatment planning. The frequency and level of drug use can be accurately monitored.

Drug test

Drug tests are frequently employed in pre-employment screening because employers prefer workers who are prepared and productive. As a result, a drug test is a crucial part of the pre-employment procedure.

Furthermore, drug tests must be performed in the event of an accident to strengthen the case in situations where one of the parties’ drug usage is the cause of their negligence.

What will a drug test detect?

Drug test can be conducted in a variety of methods, depending on the substance being examined. Common and popular drugs include:

  • Amphetamine
  • Methamphetamine
  • Morphine / Heroin / Opiates
  • Cannabis / THC
  • Cocaine
  • Ketamine
  • Benzodiazepines
  • MDMA / Ecstasy
  • Opiates / Opioids

For more information: Types of addictive substances

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Prices of drug tests

  • 3-Panel urine drug test: 1,450 Baht

  • 5-Panel urine drug test: 790 Baht

  • 7-Panel urine/blood drug test: 5,990 Baht

  • 13-Panel urine drug test: 990 Baht

  • 15-Panel sweat drug test: 890 Baht

Note: Professional fee and service charge are included

Prices of drug tests
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Where can I get a drug test?

At-home drug tests

Many companies now offer drug test kits for consumers who seek quick test results and anonymity, especially for those who find travel difficult. Learn about the equipment and its proper usage before making a purchase. 

Drug tests at clinics and hospitals

Along with reliable test results, drug tests at clinics and hospitals also guarantee patient safety. You can ask for advice, particularly if you have symptoms that call for a thorough evaluation or if you need documentation to support the test.

At Intouch Medicare, we provide a range of drug test services, and our staff is on hand to offer assistance during the test. For anybody searching for a drug test certificate near me, this is perfect.

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Drug test methods and procedures

There are five ways to conduct drug tests. Each method can detect different substances, depending on the test’s objective.

Drug test methods

Blood drug test

  • Provides a shorter detection window but is more accurate than urine drug test.

  • It has a low error rate because it must be performed by a specialist 

  • Takes time and expensive

  • Available

Urine drug test

  • It is the most widely used technique and is capable of simultaneously detecting several substances.

  • It involves 2 steps, preliminary test and confirmation test. Urine sample collection (usually not less than 30 ml) can be a bit challenging, but it is inexpensive and provides quick results whether you buy the test kit and do it yourself or visit a hospital. 

  • Available

Sweat drug test

  • Sweat may be collected as liquid perspiration on sweat wipes or with a sweat patch.

  • It’s considered convenient because it’s less invasive than blood tests and can screen for up to 15 substances.

  • Ideal for situations where a drug test within the last 30 days is required.

  • Available

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Saliva drug test

  • Generally more effective at identifying recent use of stimulants than urine drug test.

  • Low accuracy, risk of contamination because samples are collected using mouth swab.

  • Not available

Hair drug test

  • Because hair drug tests can reveal the frequency and pattern of drug use during the 90 days following the last drug use, they are frequently employed in the treatment of chronic drug addicts, despite their high cost.

  • Samples are collected by cutting hair strands near the rear of the crown and as close to the scalp as possible 

  • Not available

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Who is required to undergo a drug test?

  • Certain professions, particularly those involving high risk or public safety, require health checks before starting work to ensure employees are fit and able to perform their duties safely such as driving vehicles.

  • Individuals who require diagnostic testing or therapy and treatment

  • People who need to be screened before starting training, including soldiers and reserve officer training cops students (ROTC).

  • Those whose test results must be used as proof in court 

  • Blood donors, in order to prevent the risk of blood infections

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Preparation for a drug test

  • Choose the right approach, comprehend the test’s objective or each organization’s policy, and know what kinds of chemicals are needed for the test results. 

  • Refrain from taking any specific dietary supplements or vitamins for at least three days prior to the drug test, 

  • Drink enough clean water, but avoid drinking too much as this will dilute your urine.

Accurate drug tests can be performed using blood, urine, and sweat. These drug tests are suitable for anyone interested in taking a drug test to use as supporting documents for various procedures, such as pre-employment health checks, ROTC applications, etc.


At Intouch Medicare, we provide drug test services using a variety of methods, including urine drug test, blood drug test, or sweat drug test, along with issuing a drug test certificate (medical certificate for 5 diseases) for job applications, training, or other legal documents.

With skilled physicians, we offer dependable and convenient services. Please get in touch with us using our chat window, hotline, or Google search for “Drug test at clinic near me” if you’re interested in using our services.

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Last updated: 13/08/2025

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