The Clinical Institute Withdrawal Assessment for Alcohol, Revised (CIWA-Ar) is a 10-item clinician-administered scale developed by Sullivan, Sykora, Schneiderman, Naranjo and Sellers in 1989 to quantify the severity of alcohol withdrawal syndrome in adults (British Journal of Addiction, 84:1353–1357). Nine items are scored 0–7 and one (orientation/clouding of sensorium) 0–4, producing a total score of 0–67 that guides symptom-triggered benzodiazepine dosing. The CIWA-Ar has demonstrated strong inter-rater reliability and is the most widely adopted withdrawal severity measure in U.S. hospitals. Zentake provides a digital, auto-scoring version clinicians can deploy bedside in seconds.
Each of the first nine items — nausea/vomiting, tremor, paroxysmal sweats, anxiety, agitation, tactile disturbances, auditory disturbances, visual disturbances, and headache/fullness of head — is rated 0 to 7. The tenth item, orientation and clouding of sensorium, is rated 0 to 4. Sum all ten items for a total score between 0 and 67. Sullivan et al. (1989) and subsequent guidelines recommend the following cutoffs:
Zentake automatically calculates the CIWA-Ar total score upon form submission, flags scores above the clinical threshold, and stores serial measurements for trend review.
Step 1: Assess the patient at the bedside — the CIWA-Ar is clinician-rated and requires direct observation plus brief questioning about nausea, anxiety, and perceptual disturbances. Zentake's mobile-friendly form lets nurses capture responses on a tablet or phone without paper.
Step 2: Score each of the ten items using the anchored descriptors. Zentake's digital form presents the anchors inline so raters don't need a separate reference card.
Step 3: Sum the items automatically. Zentake calculates the total the moment the form is submitted and categorizes severity.
Step 4: Reassess on a symptom-triggered schedule (commonly every 1–4 hours) until scores remain below threshold. Zentake timestamps each administration and displays a running trend line.
Step 5: Document and hand off. All CIWA-Ar entries are stored in the patient's chart for the care team and flow into connected EMRs.
Scoring: Paper requires manual tallying under time pressure; Zentake calculates the total and severity category instantly. Completion: Bedside tablet entry is faster and legible. Delivery: Assign to any staff device via secure link. Data Storage: Encrypted, centralized, and searchable vs. loose flowsheets. Longitudinal Tracking: Zentake charts serial CIWA-Ar scores automatically for trend review. Security: HIPAA-compliant infrastructure with full audit logs. Integration: Scores flow to the EMR; no double entry. Cost: Eliminates printing, scanning, and manual transcription time.
What does the CIWA-Ar measure? The CIWA-Ar quantifies the severity of alcohol withdrawal syndrome across 10 symptom domains including tremor, sweating, anxiety, agitation, nausea, and perceptual disturbances. Zentake's digital CIWA-Ar gives clinicians an instant severity read-out at the bedside.
How do you score the CIWA-Ar? Sum the 10 items (nine rated 0–7, one rated 0–4) for a total of 0–67. Scores of 0–8 indicate mild withdrawal, 9–15 moderate, and >15 severe. Zentake automates this calculation.
How long does the CIWA-Ar take? A trained clinician can complete the CIWA-Ar in under five minutes. Zentake's digital version reduces administration and documentation time to about 2–3 minutes.
Is the CIWA-Ar free to use? Yes — the CIWA-Ar is in the public domain and free for clinical use. Zentake charges only for the platform that delivers, scores, and stores it.
What population is the CIWA-Ar for? The CIWA-Ar is validated for adults undergoing alcohol withdrawal in inpatient and detoxification settings. It is not validated for pediatric populations.
Who should administer the CIWA-Ar? Trained clinicians — typically nurses, physicians, or addiction specialists — administer the CIWA-Ar. Zentake's anchored item descriptions help ensure consistent scoring across raters.
What CIWA-Ar score requires medication? Most hospital protocols use a threshold of 8–10 to trigger benzodiazepine administration, with escalating doses for scores above 15.
How often should the CIWA-Ar be repeated? Symptom-triggered protocols commonly reassess every 1–4 hours until scores stay below threshold for a defined period. Zentake timestamps and trends each administration.
Last updated: March 2026
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