CIWA-Ar (Alcohol Withdrawal)

Calculate the CIWA-Ar score to assess severity of alcohol withdrawal syndrome.

Formula

Sum of 10 domains (max 67). <8: mild; 8–14: moderate; ≥15: severe
  • Scores < 8: usually manageable without benzodiazepines. 8–15: PRN or scheduled benzodiazepines. ≥15: intensive management; delirium tremens risk.
  • Reassess every 1–4 hours during active withdrawal.

Mild withdrawal

Inputs
  • Nausea/Vomiting (0–7): 1
  • Tremor (0–7): 2
  • Paroxysmal Sweats (0–7): 1
  • Anxiety (0–7): 2
  • Agitation (0–7): 1
  • Tactile Disturbances (0–7): 0
  • Auditory Disturbances (0–7): 0
  • Visual Disturbances (0–7): 0
  • Headache/Fullness in Head (0–7): 1
  • Orientation/Clouding (0–4): 0

Total = 8. Moderate range — consider PRN benzodiazepine.

Frequently asked questions

When is CIWA-Ar used?
CIWA-Ar is used in medically supervised alcohol detoxification to guide the frequency and dose of benzodiazepines (or barbiturates) for symptom-triggered therapy.