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.
Kathleen Romito, MD - Family Medicine & Alfred Lewy, MD, PhD - Psychiatry
The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.