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Seasonal affective disorder (SAD) is a type of depression that some people get during the short days of fall and winter. You may feel unhappy and tired during fall and winter. But you feel more cheerful and have more energy in spring and summer. You may gain weight and exercise less in winter. You also may feel more grouchy during winter. You may find it hard to get along with family, friends, and co-workers.
Doctors think that having less natural light may cause SAD. Your doctor may recommend light therapy. This helps many people with SAD. With light therapy, you are near artificial bright lights for a set period of time each winter day. Most people do this in the morning. You should feel better soon after you start light therapy. You may need to keep doing it until spring. Your doctor also may prescribe antidepressant medicine and suggest exercise. Both of these can help your mood.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
Call 911 anytime you think you may need emergency care. For example, call if:
Call your doctor or nurse call line now or seek immediate medical care if:
Watch closely for changes in your health, and be sure to contact your doctor or nurse call line if:
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Current as of: September 11, 2018
Author: Healthwise Staff
Medical Review:Adam Husney, MD - Family Medicine & Kathleen Romito, MD - Family Medicine
Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.
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