CIWA-Ar Alcohol Withdrawal Assessment Tool

The Clinical Institute Withdrawal Assessment for Alcohol, Revised (CIWA-Ar) is a validated clinical tool used to assess and monitor the current severity of alcohol withdrawal symptoms. The assessment helps trained healthcare professionals track changes in symptoms and support clinical decision-making when used alongside patient history, physical examination, vital signs, and professional judgment.

Tool: CIWA-Ar assessment form
Context: Appropriate and inappropriate uses of CIWA-Ar
Clinical guidance: ASAM Alcohol Withdrawal Management Guideline

Download the CIWA-Ar Assessment Tool (PDF)

What Is CIWA-Ar?

CIWA-Ar is a clinician-administered alcohol withdrawal assessment scale. It evaluates ten common signs and symptoms of withdrawal, including nausea and vomiting, tremor, sweating, anxiety, agitation, headache, orientation, and tactile, auditory, and visual disturbances.

The CIWA-Ar assessment is designed to measure the severity of symptoms a patient is currently experiencing. It is not intended to diagnose alcohol withdrawal or predict whether someone who is not experiencing symptoms will later develop severe or complicated withdrawal.

When to Use the CIWA-Ar Assessment

CIWA-Ar is most appropriate for alert, cooperative patients who can reliably describe their symptoms and follow assessment instructions. It may be used in medically appropriate settings to monitor alcohol withdrawal symptoms over time and support care decisions established by qualified healthcare professionals.

Because several CIWA-Ar questions rely on patient-reported symptoms, the assessment should be used alongside clinical judgment, routine monitoring of vital signs, and evaluation of the patient’s overall medical condition.

CIWA-Ar Score and Interpretation

Each item on the CIWA-Ar scale is assigned a score based on the presence and severity of a symptom. The individual scores are combined into a total CIWA-Ar score, with a maximum possible score of 67. A higher total score generally reflects greater current alcohol withdrawal symptom severity.

The ASAM Alcohol Withdrawal Management Guideline uses scores below 10, scores from 10–18, and scores of 19 or higher as examples of mild, moderate, and severe withdrawal. These ranges are clinical reference points rather than stand-alone treatment instructions. Score thresholds and their use may vary based on the patient, care setting, institutional protocol, and clinician judgment.

CIWA-Ar scores can also be affected by medical conditions, psychiatric symptoms, medications, or other factors that resemble alcohol withdrawal. A CIWA-Ar score should therefore be interpreted as one part of a complete clinical assessment.

CIWA-Ar Protocol Considerations

CIWA-Ar is an assessment scale, not a complete alcohol withdrawal treatment protocol. Healthcare organizations may incorporate the scale into symptom-triggered alcohol withdrawal protocols that define when assessments are completed, how frequently patients are reassessed, and what clinical actions should be considered.

Any CIWA-Ar protocol should be established and overseen by qualified healthcare professionals using current clinical guidance and applicable institutional policies. Treatment decisions should not be based solely on a CIWA-Ar score.

For additional clinical guidance, review the ASAM Clinical Practice Guideline on Alcohol Withdrawal Management.

Download the CIWA-Ar PDF

The downloadable CIWA-Ar form includes the ten assessment areas, scoring criteria, space for patient information, and a field for recording the total score.

Download the CIWA-Ar Form (PDF)

This resource is intended for use by appropriately trained healthcare professionals. It does not replace clinical judgment, diagnosis, institutional protocols, or emergency medical evaluation.

Clinical Judgment and Limitations

CIWA-Ar may be less reliable or inappropriate when a patient cannot meaningfully participate in the assessment or reliably report symptoms. This may include patients experiencing delirium, altered mental status, significant cognitive impairment, critical illness, intubation, language barriers, or other medical conditions that may affect symptom reporting.

When CIWA-Ar cannot be completed reliably, clinicians should use an alternative assessment strategy appropriate to the patient’s condition, care setting, and institutional guidance.

The CIWA-Ar assessment also does not measure a patient’s future risk of developing severe or complicated withdrawal when symptoms are not currently present. Risk assessment, diagnosis, level-of-care decisions, and withdrawal management require a broader clinical evaluation.

CIWA-Ar FAQs

What is the CIWA-Ar score?

The CIWA-Ar score is the total produced by rating ten alcohol withdrawal signs and symptoms. The maximum possible score is 67, and higher scores generally indicate greater current symptom severity. The score should be interpreted within the patient’s complete clinical context.

What is the CIWA-Ar protocol used for?

CIWA-Ar may be incorporated into clinical protocols to monitor alcohol withdrawal symptoms and support symptom-triggered care decisions. The CIWA-Ar scale is not itself a complete treatment protocol, and its use should follow clinical and institutional guidance.

When should CIWA-Ar not be used?

CIWA-Ar may not be appropriate when a patient cannot reliably communicate or participate in the assessment. This can include patients experiencing delirium, altered mental status, critical illness, intubation, significant cognitive impairment, or other conditions that interfere with symptom reporting.

Can I download a CIWA-Ar PDF?

Yes. CSAM provides a downloadable CIWA-Ar assessment form containing the ten assessment areas, scoring criteria, and total-score field.

Download the CIWA-Ar PDF

Is CIWA-Ar used for alcohol withdrawal scoring?

Yes. CIWA-Ar is a validated scale used to assess the current severity of alcohol withdrawal symptoms in communicative patients after alcohol withdrawal has been diagnosed. It should be used with clinical judgment and other appropriate assessment information.