Drug Abuse Screening Test (DAST-10)

The Drug Abuse Screening Test (DAST-10) is a widely utilized, validated 10-item self-report instrument that rapidly identifies and quantifies problematic…

Questions: 10
Duration: 5 min
Original title: DAST-10 — Drug Abuse Screening Test
Adaptation: Drug Abuse Screening Test (DAST-10)
Authors: Skinner, H. A.
Created: 1982

The Drug Abuse Screening Test (DAST-10) is a widely utilized, validated 10-item self-report instrument that rapidly identifies and quantifies problematic drug use. Originally developed by Harvey Skinner, this condensed version focuses specifically on non-medical drug use and the misuse of prescribed medications over the past 12 months, intentionally excluding alcohol and tobacco.

For mental health clinicians, the DAST-10 serves as a reliable baseline assessment and a vital decision-making aid. By covering a broad spectrum of psychosocial and physiological consequences, it quickly highlights the severity of a patient's substance-related impairment. Because it is brief and easily repeatable, it can serve as a strong foundation for building discrepancy when patients are ambivalent about their consumption.

Clinicians frequently rely on this measure to determine the necessary intensity of outpatient or specialized addiction interventions. Establishing a clear severity baseline is often an essential first step before dismantling automatic behavioral loops and engaging the patient in targeted recovery work.

Example result

Fictitious result, computed from a sample set of answers.

Overall score

5/ 10

The DAST-10 is a brief (10-item) self-report questionnaire for screening problematic psychoactive substance use, excluding alcohol and tobacco. Derived from the DAST-28 by Skinner (1982), it assesses the severity of problems related to drug use and misuse (misused prescription drugs and illicit drugs) over the past 12 months. Usable in primary care, psychiatry, and addiction medicine, it provides a quantitative index of the degree of drug-related problems and guides further clinical assessment.

0–0

No problems reported

1–2

Low level

3–5

Intermediate level

6–8

Substantial level

9–10

Severe level

Diagnostic criteria likely met; intensive outpatient management.

cliniquemixed · pathology: Drug use disorders · 18–60 years · Mexico · n = 565 · 2015

010

M = 5.44 ± 2.91

For information

Cut-off≥ 3Positive screen

Recommended case-finding cutoff for the 10-item form.

SkinnerView the study ↗

Scoring

Sum, total score from 0 to 10, each item is scored 0 or 1.

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What the test measures

The DAST-10 captures a unidimensional measure of drug use severity, spanning behavioral, social, and physiological domains. As patients often turn to substances instead of differentiating adaptive from maladaptive coping strategies, the instrument covers several critical facets:

Loss of control: The inability to stop using drugs or the consumption of multiple substances simultaneously.
Social impact: Neglecting family responsibilities or facing complaints from loved ones regarding substance use.
Psychological distress: Feelings of guilt, remorse, or internal conflict surrounding drug use.
Physiological consequences: Experiencing withdrawal symptoms, cognitive blackouts, or subsequent medical problems.
Risk behaviors: Engaging in illegal or dangerous activities specifically to procure drugs.

This screening tool is intended for use with adult and adolescent populations presenting in primary care, mental health, or specialized addiction settings.

When and why to use it

Clinicians integrate the DAST-10 into their workflow to efficiently screen for problematic substance use and stratify subsequent care.

Intake screening: Quickly identifies undeclared or suspected non-medical drug use, paving the way for stopping entrenched avoidance behaviors during early sessions.
Care stratification: Helps determine the appropriate level of intervention, from brief psychoeducation focused on building new, sustainable habits to intensive specialized treatment.
Differential diagnosis: Isolates drug-related impairment from alcohol misuse when clarifying overlapping or complex clinical presentations.
Treatment monitoring: Tracks the severity of substance-related consequences over time, which can be paired with a weekly behavioral review to maintain accountability.

A validated DAST-10 score provides a concrete, standardized metric of severity that anchors clinical judgment and justifies referrals to intensive ambulatory care.

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The questions

The following questions concern your use of medications diverted from their medical use and drugs during the past 12 months. 'Drug use' refers to: (1) the use of prescribed or over-the-counter medications in excess of the prescribed dosage or for reasons other than those intended; and (2) any non-medical use of drugs (e.g., cannabis, cocaine, stimulants, hallucinogens, opiates, sedatives). The various categories of drugs may include: cannabis (marijuana, hashish), solvents, tranquilizers (e.g., Valium), barbiturates, cocaine, stimulants (e.g., amphetamines), hallucinogens (e.g., LSD) or narcotics (e.g., heroin). Answer 'Yes' or 'No' to each question. Alcohol and tobacco are not included.
1. Have you used drugs other than those required for medical reasons?
This item establishes the fundamental presence of non-medical substance use.
- No
- Yes
2. Do you use more than one drug at a time?
This question screens for polydrug use, which often complicates clinical management and increases risk.
- No
- Yes
3. Are you always able to stop using drugs when you want to?
This assesses the patient's perceived behavioral control over their substance intake.
- No
- Yes
4. Have you ever had blackouts or flashbacks as a result of your drug use?
This probes for severe neurological or cognitive disruptions resulting from drug consumption.
- No
- Yes
5. Do you ever feel bad or guilty about your drug use?
This captures the internal psychological conflict and distress associated with the patient's habits.
- No
- Yes
6. Does your partner (or parents) ever complain about your drug use?
This evaluates the interpersonal friction and external concern generated by the patient's behavior.
- No
- Yes
7. Have you neglected your family because of your drug use?
This measures the functional impact of substance use on the patient's core family responsibilities.
- No
- Yes
8. Have you engaged in illegal activities in order to obtain drugs?
This identifies whether the compulsion to use has driven the patient toward criminal or high-risk procurement behaviors.
- No
- Yes
9. Have you ever experienced withdrawal symptoms (felt sick) when you stopped taking drugs?
This item screens for physical dependence by checking for physiological withdrawal upon cessation.
- No
- Yes
10. Have you had medical problems as a result of your drug use (e.g., memory loss, hepatitis, convulsions, bleeding, etc.)?
This assesses the physical toll of substance use, capturing direct health complications and morbidities.
- No
- Yes