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Seasonal Affective Disorder (SAD)

Seasonal affective disorder (SAD) is a condition in which a person feels depressed at a certain time each year. It most often occurs during the fall and winter months when days are shorter and there is less light. Treatment includes light therapy, counseling, and antidepressant medicines.

ByHealthwise Staff
Primary Medical ReviewerKathleen Romito, MD - Family Medicine
Specialist Medical ReviewerAlfred Lewy, MD, PhD - Psychiatry
Last RevisedMarch 14, 2013

WebMD Medical Reference from Healthwise

Last Updated: March 14, 2013
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