Saliva Drug Test Kits

UK Drug Testing stock the largest range of rapid, reliable and accurate mouth swab saliva drug test kits for onsite saliva drug screening in the UK. If you do not find the saliva tests for drugs that you are looking for, or are unsure which oral drug test kit would best suit your needs, please contact our customer support team during office hours via website chat, telephone 01263 731 168 or e-mail and they will be happy to assist you.

If you need help choosing, take our quick and easy quiz to find the best best saliva drug test for your needs

41 products

Oral fluid saliva drug testing kits 

Oral fluid mouth swab drug test kits, test saliva (oral fluid) and are ideal drug test kits for employers looking for drug testing kits for the workplace. Saliva drug testing kits are becoming increasingly popular for on-site random drug testing in the UK workplace. Some oral drug test kits also now incorporate an alcohol test. 

Choice of saliva drug test kits available in different drug combinations:

Advantages of a saliva drug test kit

Saliva drug testing using a mouth swab drug test saliva kit offers several advantages compared to other forms of drug testing, such as urine, hair, sweat or blood tests.

Some of the key advantages of a saliva drug test include:

  1. Non-invasiveness: Collecting saliva samples using a mouth swab is non-invasive and does not require special training or medical personnel. This makes an oral fluid drug screen more comfortable for individuals undergoing the drug test.
  2. Ease of sample collection: Collecting saliva samples for the drug test is relatively simple and can be done quickly. It typically involves swabbing the inside of the mouth with a collection device a type of mouth swab, this is why this type of drug test is often known as known as a mouth swab drug test, The saliva sample collection can be done by the individual being tested without the need for specialised equipment or facilities.
  3. Price-although slightly more costly than urine tests, rapid saliva drug test kits as shown above are excellent value, when compared to hair, fingerprint or blood tests. Laboratory confirmation tests for a positive saliva drug test in the UK are also generally more affordable compared to hair or sweat tests, as the collection devices for saliva testing are relatively inexpensive and the laboratory processing fees for saliva tests are typically lower than those for hair or sweat tests.
  4. Range of drugs that can be detected on an oral drug test-a large number of drugs can now be detected on a saliva drug test and this is increasing all the time. All the main drugs of abuse can be detected in saliva including alcohol. Saliva drug test kits are capable of detecting a variety of drugs and substances. It's important to note that the range of drugs detectable in saliva can vary depending on the specific saliva drug test kit or laboratory analysis used. Additionally, the detection window for each drug may vary, with some substances like Cannabis being detectable in saliva for only a few hours after use, while others may be detectable for a couple of days.
  5. Convenience of a saliva drug test: Saliva drug tests can be administered on-site, making them convenient for employers, law enforcement, schools and other organisations that require rapid drug testing.
  6. Rapid results: Saliva drug tests provide quick results, often within minutes of sample collection. This enables prompt decision-making and intervention if necessary.
  7. Detection window for drugs in saliva: Saliva drug tests can detect recent drug use, typically within the past 24 to 48 hours, depending on the specific drug being tested for. This makes them suitable for detecting recent drug use, such as impairment on the job or while operating machinery or driving.
  8. A saliva drug test is difficult to adulterate: Compared to urine drug tests, saliva drug tests are more difficult to adulterate or tamper with, reducing the risk of sample manipulation or cheating.
  9. Less privacy invasion with oral drug tests: While still requiring a person's cooperation, a saliva drug test may be perceived as less intrusive compared to urine, hair or blood tests, as they do not require a person to provide a urine sample, have hair pulled out or have blood drawn.

Saliva drug tests are particularly useful for detecting recent drug use, as they generally have a shorter detection window compared to other testing methods such as urine or hair testing. However, their ability to detect drugs may vary depending on factors such as the dose and frequency of drug use, as well as individual metabolism and other physiological factors.

Disadvantages to oral fluid drug screening

An oral fluid drug test is a convenient and non-invasive method for detecting recent drug use, but they do have some disadvantages. 

  1. One key limitation is their shorter detection window compared to urine or hair tests, as most substances can only be detected in saliva for up to 24–48 hours after use. This makes them less suitable for identifying long-term or past drug use.
  2. Additionally, external factors such as recent food, drink, or oral hygiene products may affect test accuracy, potentially leading to inconclusive results.
  3. One of the main disadvantages of oral fluid drug tests is their limited ability to detect THC (the active compound in cannabis) consistently. THC is not as readily released into saliva as other substances because it is highly lipophilic, meaning it binds to fatty tissues rather than dissolving easily in oral fluids. As a result, detection times for THC in saliva can be unpredictable, often ranging from just a few hours up to 24 hours after use, depending on factors such as frequency of use and metabolism. This can make oral fluid testing less reliable for identifying cannabis use, especially in chronic users, compared to a urine drug test or a hair or blood test, which have longer detection windows.
  4. While oral fluid tests are highly effective for detecting recent drug use, they may be less reliable in situations where a longer detection period is required.

Overall, saliva drug tests offer a convenient, non-invasive, and rapid method of detecting recent drug use, making them valuable in various settings, including workplace drug testing, law enforcement, drug testing in schools and clinical settings. However, it's important to note that they may have limitations in detecting drug use beyond a certain timeframe or for substances that are not easily detectable in saliva.

Need support

Want to know more about saliva drug testing you may find our saliva drug test FAQ useful. This saliva drug test information cover some basic information about saliva drug test kits, but if you have more specific questions regarding using oral drug testing kits, or need help choosing the best saliva drug test, feel free to ask! UK Drug Testing customer support team are available via chat, email and telephone Monday to Friday 8.30 to 5pm. 

If you are new to using oral drug tests and are performing the tests is a workplace, school or healthcare setting we offer online oral drug test training courses.

Does a positive result mean the person is definitely using drugs?

A positive screening result indicates the presence of one of the specified substances above threshold. However, for workplace or legal purposes, we recommend sending the sample to a UK-accredited laboratory for confirmation to rule out any potential false positives. You can buy a UKAS approved laboratory confirmation drug test pack here

How is delivery handled?

We offer fast, reliable delivery across the UK. All orders are packaged discreetly and shipped promptly, with tracking available on most shipments for peace of mind. See UK Drug Testing delivery information.

How do I interpret the results?

Most test kits provide clear instructions and visual indicators to help you interpret results quickly. For workplace or legal testing, confirm positive results with a lab if needed.

Do I need a laboratory confirmation?

For workplace, legal, or disciplinary purposes, a laboratory confirmation drug test is always recommended following a positive drug screening result.

What is the shelf life of the test?

Each test kit has an expiry date clearly printed on the foil pouch. Do not use the test after this date, as the accuracy cannot be guaranteed. All of our full-priced drug test kits are supplied with a minimum of 12 months’ shelf life remaining when dispatched. If a product has a shorter shelf life than this, it will always be clearly stated on the product description before you buy, and the price will reflect this.

This ensures you can purchase from us with confidence, knowing your test kits will remain reliable for at least a year from the date of order, provided they are stored correctly.

Can this drug test kit be used at home?

Yes. The test kit is simple to use and requires no special equipment, making it suitable for home, workplace, and professional drug screening. As a general rule urine drug tests are better for home drug testing. See best selling home drug testing kits

How quickly will I get the results?

Results appear within 3–5 minutes. Do not read results after 10 minutes, as this may give an inaccurate outcome.

Do I need any training to use the drug test kit?

No specialist training is needed. Each test comes with full instructions, and our customer support team is available if you have any questions. If you would like to have training, we do offer this service.

More information on drug test training here.

Is a positive saliva test result conclusive?

While saliva drug tests are very accurate, a positive result should ideally be confirmed with a laboratory analysis, especially for workplace or legal use.

Are saliva tests more convenient than urine tests?

Yes, saliva drug testing is less invasive, easier to supervise, and can be done without the need for private bathroom facilities.

How long after drug use can a saliva test detect drugs?

Saliva drug tests typically detect recent drug use, usually within the last 24–48 hours, depending on the substance. This makes them ideal for identifying current impairment.

What drugs can be detected in a saliva drug test?

What drugs can be detected in a saliva drug test?

Our multi-panel saliva drug tests can detect a wide range of substances including cannabis (THC), cocaine, opiates, amphetamines, benzodiazepines, methamphetamine, and more—depending on the panel.

How accurate are saliva drug tests?

Saliva drug tests are highly accurate when used correctly. UK Drug Testing kits are CE marked and designed to deliver reliable results within minutes. For confirmation of positive results in a workplace setting, a laboratory drug test is recommended.

What is a saliva drug test?

A saliva drug test (also known as an oral fluid drug test) detects the presence of drugs in a person’s saliva. It’s a non-invasive method commonly used for workplace, roadside, or home drug screening.

What should be done if an onsite workplace drug test result is positive?

In the event of a positive result on a workplace drug test, it's advisable to send the sample to a certified UKAS accredited laboratory for confirmatory drug testing to rule out any potential false positives.

Can prescription medications affect the drug test results?

Yes, certain prescription or over-the-counter medications may cause false-positive results. It's crucial to take a list of any prescription or over the counter medications an individual is taking to accurately interpret the results of the drug test.

How should the drug test kits be stored?

Store the test kits in a cool, dry place between 2°C and 30°C. Avoid exposing them to direct sunlight, moisture, or excessive heat to maintain their effectiveness.

How should I interpret faint lines on a drug test kit?

A faint line in the test region indicates a negative result for that specific substance. The intensity of the line does not correlate with the concentration of the drug. More information on interpreting faint lines on a drug test here

Is this test easy to administer?

Yes, the drug test kit is user-friendly and designed for straightforward administration without specialised training. However, it's essential to follow the provided instructions carefully to ensure accurate results, and our customer support team is available if you have any questions.

No specialist training is required to use our drug and alcohol testing kits, as each test includes clear, step-by-step instructions. Our customer support team is also on hand if you need guidance. However, for organisations that prefer formal training, we do offer online training. You can find full details on our online training services here.

How long does Nicotine stay in your saliva for a mouth swab test?

Nicotine can be detected in saliva for up to 24-48 hours after use in a mouth swab test. However, this detection window can vary depending on factors such as the frequency and amount of nicotine use, individual metabolism, and the sensitivity of the saliva test being used. Generally, for occasional smokers or users of nicotine products, nicotine and its metabolites may be detectable at the shorter end of this range, while heavy or frequent users might find that nicotine is detectable for a longer period within the 24-48 hour window.