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Real members of MyMigraineTeam have posted questions and answers that support our community guidelines, and should not be taken as medical advice. Looking for the latest medically reviewed content by doctors and experts? Visit our resource section.
A MyMigraineTeam Member asked a question 💭
Cypress, TX

I spent a lot of time in the sun yesterday. Went for a 2 mile run- 25 minutes and then spent maybe another 35 minutes doing photography outside. Started having a pulsating headache around 4:30 PM. Can too much Vitamin D cause migraine?

July 8, 2021
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Answer Summary

Members overwhelmingly agreed that the pulsating headache following extended sun exposure was likely caused by heat, humidity, and bright... Read more

Members overwhelmingly agreed that the pulsating headache following extended sun exposure was likely caused by heat, humidity, and bright light rather than vitamin D, with many sharing that direct sunlight triggers their own migraines through a combination of eye strain, facial tension, and temperature. Several members offered practical strategies for enjoying outdoor activities safely, including wearing quality polarized sunglasses and hats, going out during cooler morning hours, staying in shaded areas, carrying multiple bottles of water or electrolyte drinks like Nuun or Liquid IV to prevent dehydration, and listening to your body to avoid overdoing it on good days. A recurring theme was learning personal limits and triggers through experience, with members emphasizing that while it feels limiting to avoid beloved outdoor activities, proactive planning and the right gear can make time outside more manageable and enjoyable.

A MyMigraineTeam Member

I don't think it's a vitamin D issue; it's more a direct result of the brightness of the light and your eyes' response to it; having to constrict so much, and what your face does in bright light, furrowing your forehead and tensing your face. That all could be part of what triggers a migraine.

July 8, 2021
A MyMigraineTeam Member

Personally I just Think It Is Too Much heat and or sun hydrate water and sport drinks or Pedi light works for hydration as well

August 6, 2021
A MyMigraineTeam Member

Maybe, or it could have been heat & humidity

July 8, 2021
A MyMigraineTeam Member

@A MyMigraineTeam Member, I haven't had any problems lately involving too much sun. I've actually been out in the sun a lot. Mainly in the morning around sunrise before it gets blazing hot. Its usually in the upper seventies when I go out, around 6:30 AM. I'm running 65 miles this month for the Epilepsy Foundation and an extra 20 miles to celebrate my 20 years off chemo for my Histiocytosis (plus its Histiocytosis Awareness Month). I'm up to 31.49 miles so far between walk and runs.

September 5, 2021 (edited)
A MyMigraineTeam Member

@A MyMigraineTeam Member If you’re looking for an electrolyte drink with less sugar—nuun or liquid IV are good options. You mix them both with water. Nuun is the lowest in sugar. It’s sweetened with stevia and contains only 1g of sugar. It comes in tablets that are good for about 8oz of water so I usually put two into a normal water bottle. I like the tri-berry flavor the best. I’ve found it really helps with hydration and energy levels because of the electrolytes and sodium it contains. You can get them easily on Amazon or at stores like REI.

July 14, 2021

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