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CIWA-Ar Alcohol-Withdrawal Severity Score Calculator

Sum of 10 sub-scores (max 67).

Compute the Clinical Institute Withdrawal Assessment for Alcohol — Revised (CIWA-Ar). 10 weighted sub-scores (each 0-7 except orientation 0-4) for nausea/vomiting, tremor, paroxysmal sweats, anxiety, agitation, tactile / auditory / visual hallucinations, headache, and orientation. < 10 mild; 10-19 moderate (consider Rx); ≥ 20 severe (high seizure / DT risk).

Priya Venkatesan By Priya Venkatesan
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

CIWA-Ar = Σ 10 sub-scores.

In depth

Compute the Clinical Institute Withdrawal Assessment for Alcohol — Revised (CIWA-Ar). 10 weighted sub-scores (each 0-7 except orientation 0-4) for nausea/vomiting, tremor, paroxysmal sweats, anxiety, agitation, tactile / auditory / visual hallucinations, headache, and orientation. < 10 mild; 10-19 moderate (consider Rx); ≥ 20 severe (high seizure / DT risk).