drug test

Ultimate Guide to Preparing for a Drug and Alcohol Test

Employers conduct all lab tests, including for alcohol and drugs, for various reasons, including pre-employment screening, random testing, post-accident testing, and reasonable suspicion testing. These tests are essential to ensure workplace safety and prevent drug and alcohol abuse among employees. 

If you are required to undergo a drug and alcohol test, it is essential to be prepared. This article will discuss eight tips to help you prepare for a drug and alcohol test.

1. Know What to Expect

Before you take the drug and alcohol lab medical test, it is essential to understand what to expect. Drug and alcohol tests can be conducted in various ways, including urine, blood, hair, and saliva. 

The most common type of drug and alcohol test is the urine test. The urine test can detect the presence of drugs and alcohol in your system for up to three days, while the hair test can detect drugs for up to 90 days.

2. Avoid Drugs and Alcohol

The best way to prepare for a drug and alcohol test is to avoid drugs and alcohol altogether. If you know that you have a drug and alcohol test coming up, it is essential to stop using drugs and alcohol immediately. If you are addicted to drugs or alcohol, seek help from a healthcare professional.

3. Stay Hydrated

Drinking water before the drug and alcohol test can help you produce a urine sample that is less likely to contain drugs or alcohol. Drinking water can also help flush out any drugs or alcohol in your system. However, be careful not to drink too much water as it can dilute your urine, which may raise suspicion.

4. Check Your Medications

Some medications can cause a false positive on a drug test. If you take any prescription or over-the-counter medications, you must check with your healthcare provider to see if they can cause a false positive. If they do, inform the testing facility before the test.

5. Get Enough Sleep

Sleeping before the drug and alcohol test can help you stay alert and focused. Lack of sleep can affect your cognitive abilities and make it difficult to concentrate, which may affect your performance on the test. Get at least seven to eight hours of sleep the night before the test.

6. Eat a Healthy Meal

Eating a healthy meal before the drug and alcohol test can help you feel energized and focused. Avoid eating high-fat or high-sugar foods, as they can affect your performance on the test. Instead, eat a balanced meal with protein, whole grains, fruits, and vegetables.

7. Dress Comfortably

Wearing comfortable clothing can help you relax during the drug and alcohol test. Avoid wearing tight or restrictive clothing that may make you uncomfortable or anxious. Make sure to wear clothing that is appropriate for the testing facility.

8. Stay Calm

The drug and alcohol test can be stressful, but it is essential to stay calm. Take deep breaths and try to relax before and during the test. If you feel nervous or anxious, inform the testing facility staff. They may be able to provide support and help you feel more comfortable.


Drug and alcohol tests are an essential part of maintaining safety in the workplace. If you are required to visit drug test laboratories, it is essential to be prepared. By following these tips, you can increase your chances of passing the drug and alcohol test and maintaining your job.

At RSC Health, we offer quick, reasonably priced all lab tests–including private lab testing and follow-up consultations if therapy is required. Find a drug testing centre nearby! You can also contact us if you need same-day testing. 

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