TABLE 2

The CIWA-Ar scale for assessing alcohol withdrawal syndrome

SymptomObservationPoints
Nausea and vomitinga
(Ask “Do you feel sick to your stomach? Have you vomited?”)
No nausea and vomiting0
Intermittent nausea with dry heaves4
Constant nausea, frequent dry heaves, vomiting7
Tremora
(Observe with arms extended and apart.)
No tremor0
No tremor visible, but can be felt, fingertip to fingertip1
Moderate tremor with arms extended4
Severe tremor, even with arms not extended7
Paroxysmal sweatsaNo sweat visible0
Beads of sweat obvious on forehead4
Drenching sweats7
Anxietya
(“Do you feel nervous?”)
No anxiety (at ease)0
Mildly anxious1
Moderately anxious or guarded, so anxiety is inferred4
Equivalent to acute panic states that occur in severe delirium or acute schizophrenic reactions7
AgitationaNormal activity0
Somewhat more than normal activity1
Moderately fidgety and restless4
Paces back and forth during most of interview or constantly thrashes about7
Tactile disturbances
(“Do you have any itching, pins-and-needles sensations, burning, or numbness, or do you feel like bugs are crawling on or under your skin?”)
None0
Very mild itching, pins-and-needles sensation, burning, or numbness1
Mild itching, pins-and-needles sensation, burning, or numbness2
Moderate itching, pins-and-needles sensation, burning, or numbness3
Moderately severe hallucinations4
Severe hallucinations5
Extremely severe hallucinations6
Continuous hallucinations7
Auditory disturbances
(“Are you more aware of sounds around you? Are they harsh? Do they frighten you? Are you hearing anything that is disturbing to you? Are you hearing things you know are not there?”)
Not present0
Very mild harshness or ability to frighten1
Mild harshness or ability to frighten2
Moderate harshness or ability to frighten3
Moderately severe hallucinations4
Severe hallucinations5
Extremely severe hallucinations6
Continuous hallucinations7
Visual disturbances
(“Does the light appear to be too bright? Is its color different? Does it hurt your eyes? Are you seeing anything that is disturbing to you? Are you seeing things you know are not there?”)
Not present0
Very mild sensitivity1
Mild sensitivity2
Moderate sensitivity3
Moderately severe hallucinations4
Severe hallucinations5
Extremely severe hallucinations6
Continuous hallucinations7
Headache, fullness in head
(“Does your head feel different? Do you feel like there is a band around your head?”)
Do not rate for dizziness or lightheaded-ness. Otherwise, rate severity.
Not present0
Very mild1
Mild2
Moderate3
Moderately severe4
Severe5
Very severe6
Extremely severe7
Orientation and clouding of sensorium
(“What day is this? Where are you? Who am I?”)
Oriented and can do serial additions0
Cannot do serial additions or is uncertain about date1
Date disorientation by no more than 2 calendar days2
Date disorientation by more than 2 calendar days3
Disoriented to place or person, or both4
Total CIWA-Ar scoreMaximum possible: 67
  • a If symptoms lie between the point categories listed, it is acceptable to rate as a whole number in between. CIWA-Ar = revised Clinical Institute Withdrawal Assessment for Alcohol15

  • Based on Sullivan JT, Sykora K, Schneiderman J, Naranjo CA, Sellers EM. Assessment of alcohol withdrawal: the revised Clinical Institute Withdrawal Assessment for alcohol scale (CIWA-Ar). Br J Addict 1989; 84:1353–1357.