Are there side effects of light therapy?
Written by
Thomas Wilson
Reviewed by
Prof. Benjamin Murphy, Ph.D.Light therapy usually has very few side effects if properly used. Some individuals may experience short-term effects, including eye strain or headaches. Still, these minor issues are typically resolved within a day or so by adjusting light protocols. For the most part, using certified devices and following our guidelines effectively reduces other risks.
More serious concerns pertain to certain illnesses. People suffering from bipolar symptoms risk entering a manic episode if not exposed to light properly. Those who are photosensitized by medications like lithium and are on light therapy will find their skin being burned more easily. Individuals with eye diseases, such as glaucoma, should wear protective eyewear before considering treatment. Always consult your physician before starting any therapy.
UV-emitting devices are dangerous. "Tan and feel good" tanning beds and booths actually burn your skin and may not help your mood or tan. If the unit is not FDA cleared, it also may leak radiation. Use only FDA-cleared devices that filter all ultraviolet light. Completely blocking UV light prevents burns and skin damage.
Device Safety
- Select only FDA-cleared units with UV filtration
- Verify wavelength specifications match your condition
- Replace bulbs after 1000 hours of use
Usage Best Practices
- Limit sessions to 30 minutes maximum
- Maintain proper distance and angle during treatment
- Stop immediately if nausea or vision changes occur
Medical Considerations
- Consult doctors before use with existing conditions
- Avoid therapy during pregnancy without approval
- Disclose all medications to healthcare providers
Preventative measures minimise the chance of side effects. Drink plenty of water beforehand to help prevent headaches. If you are feeling uncomfortable, don't hesitate to ask your technician to take a break from treatment. Keep a symptom diary to track if there is a pattern. Sometimes, simply changing your position or the time you go for treatment is enough to make you feel more comfortable.
Consider professional guidance. A doctor can provide a prescription tailored to specific conditions, taking into account the medications you are currently taking, and ensure a personalized plan for you. A doctor will be aware of treatment protocols for your specific situation and can help prevent any potential issues. Don't rely solely on public recommendations; instead, consult with your doctor before proceeding.
Read the full article: Light Therapy: Benefits, Types, and Uses
