Light Therapy
Treatment Overview
Light therapy is the main treatment for seasonal affective disorder (SAD), Opens dialog. It's used for other conditions too. It is exposure to light that is brighter than indoor light but not as bright as direct sunlight.
The most common light therapy uses a special type of fluorescent light, called a light box. Light therapy is usually prescribed for about 30 minutes a day. You place the light box at a certain distance from you, on a desk or table. Then you sit in front of it while you read, eat breakfast, or work at a computer. Light therapy is usually started in the fall and continued through spring.
Light therapy is an effective treatment for seasonal affective disorder (SAD) and other conditions. Many people feel better within days of using light in the morning.
If symptoms of depression do not improve, or if they become worse, it is important to follow up with your doctor or therapist.
Light therapy generally is safe, and you may use it together with other treatments.
The most common side effects of light therapy include:
- Eyestrain or visual disturbances.
- Headaches.
- Agitation.
- Fatigue.
- Nausea.
You can relieve these side effects by decreasing the amount of time you spend under the light.
You may be tired during the first week because of changes in your sleep-wake patterns, but this will usually go away after about a week.
Do not use ultraviolet light, Opens dialog, full-spectrum light, heat lamps, or tanning lamps for light therapy. People who have sensitive eyes or skin should not use light therapy without first talking with a doctor.
Current as of: July 31, 2024
Author: Ignite Healthwise, LLC Staff
Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.
Current as of: July 31, 2024
Author: Ignite Healthwise, LLC Staff
Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.
This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.