Hamilton Anxiety Rating Scale (HAM-A)

Below is a list of phrases that describe certain feelings that people have. Rate the patient by finding the answer that best describes the extent to which he/she has these conditions. Select one of the five responses for each of the 14 questions.

Rating scale: 0 = Not present, 1 = Mild, 2 = Moderate, 3 = Severe, 4 = Very severe.
0 =
Not
present		 1 =
Mild		 2 =
Moderate		 3 =
Severe		 4 =
Very
severe
0 of 14 items completed

HAM-A Result

Scoring: Each item is scored on a scale of 0 (not present) to 4 (very severe), with a total score range of 0-56, where <17 indicates mild severity, 18-24 mild to moderate severity, 25-30 moderate to severe and 31-56 severe to very severe.

Copyright notice: The HAM-A is in the public domain.

References: 1. Hamilton M. The assessment of anxiety states by rating. Br J Med Psychol 1959;32:50-5. 2. Maier W, Buller R, Philipp M, Heuser I. The Hamilton Anxiety Scale: reliability, validity and sensitivity to change in anxiety and depressive disorders. J Affect Disord 1988;14(1):61-8. 3. Borkovec T and Costello E. Efficacy of applied relaxation and cognitive behavioral therapy in the treatment of generalized anxiety disorder. J Clin Consult Psychol 1993;61(4):611-9.