Amphetamine Saliva Test: What It Is, How It Is Done, and What Your Results Mean

Published: August 9, 2026Updated: August 16, 2026

This test detects the presence of amphetamines in your saliva to determine if someone has used stimulant drugs.

Quick summary

{"This test checks for amphetamine drugs (like speed, meth, or certain ADHD medications) in saliva","It uses a confirmatory method to verify positive screening results","Saliva testing is non-invasive and can detect recent drug use within 24-72 hours","Results are reported as positive or negative (presence/absence)","This test is often used for workplace drug testing or medical monitoring"}

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC: 74680-0
Short code: Amphet Sal Ql Cfm
Synonyms: Amphet Sal Ql Cfm
Category: chemistry
Sample: serum
Container: Red-top tube (SST)
Units: N/A
Fasting: false
Population: adult
Sex: all
Age range: 18–65 years
Method: confirm
Specimen volume: 5 mL
Stability: Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max: 500
Lipemia max: 1000
Icterus max: 500
TAT: 4–24 hours
Order: routine

What is an amphetamine saliva test?

The Amphetamine Saliva Test is a confirmatory drug test that detects the presence of amphetamine-type stimulants in your oral fluid (saliva). This test looks for drugs like amphetamine, methamphetamine, and related substances. A confirmatory test is more precise than initial screening tests and is used to verify positive results.

How is the amphetamine saliva test performed?

A healthcare provider will collect a saliva sample by placing a swab or collection device in your mouth to absorb oral fluid. The process is quick, non-invasive, and does not require blood draw. The sample is then sent to a laboratory for analysis using specialized equipment that can accurately identify and confirm the presence of amphetamine substances.

What do the results of an amphetamine saliva test mean?

Results are typically reported as either 'Positive' (drug detected) or 'Negative' (no drug detected). A positive result indicates recent use of amphetamine-type substances, which can include illegal drugs like methamphetamine or certain prescription medications such as Adderall, Dexedrine, or Vyvanse. A negative result means no amphetamines were detected at the testing threshold.

How long does amphetamine stay in saliva?

Amphetamines can typically be detected in saliva for 24-72 hours after use, depending on factors such as the amount used, individual metabolism, and the specific substance. This makes saliva testing useful for detecting relatively recent drug use.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test is commonly used for workplace drug testing programs, legal/forensic investigations, substance abuse monitoring, and medical evaluations. In clinical settings, it may help assess medication compliance for patients prescribed amphetamine-based ADHD medications or detect illicit drug use. The confirmatory method provides legally defensible results with high specificity and accuracy.

Healthcare providers may order this test as part of a comprehensive substance abuse evaluation, during addiction treatment monitoring, or when there is clinical suspicion of amphetamine use. Positive results should be interpreted in the context of the patient's medical history and any prescribed medications.

Frequently asked questions

Will prescription medications cause a positive result?

Yes, certain prescription medications containing amphetamines (such as Adderall, Dexedrine, Vyvanse, or Desoxyn) can cause a positive result. It is important to inform the testing facility of all prescription medications you are taking before the test.

How long does the test take?

The saliva collection itself takes only a few minutes. Results from confirmatory testing typically take 1-3 days, as the sample requires specialized laboratory analysis.

Is fasting required before the test?

No fasting is required for a saliva drug test. However, you should avoid eating, drinking, smoking, or chewing gum for about 10-15 minutes before sample collection to ensure accurate results.

Can second-hand exposure cause a positive result?

It is unlikely that second-hand exposure to amphetamines would cause a positive result on a confirmatory test, as these tests have cutoff thresholds designed to distinguish between actual use and incidental exposure.

What happens if my test is positive?

If your test is positive, the results will be reviewed by a medical review officer (MRO) who will contact you to discuss any legitimate medical explanations, such as prescribed medications. For non-workplace testing, your healthcare provider will discuss the results and appropriate next steps with you.

Sources

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy