A member asked:

Despite drinking plenty of fluids, head feels foggy & lightheaded for days after being in the sun. i'm being treated for almost lupus. why does the sun affect my head?

3 doctors weighed in across 2 answers

Huh?: This will probably remain an enigma. Sometimes patients with almost lupus have many unexplained symptoms. Lupus does have associated photo sensitivity, but it is generally not like this.

Answered 10/3/2016

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Sun can flare SLE: Although we don't have all of your data, there are people with lupus who are sunshine sensitive. The sunshine can activate systemic lupus erythematosus. The mechanism is not completely clear but disruption to skin, free dna from the cells, that can stimulate the lupus response. Sun protection is an important part to your therapy.

Answered 4/24/2013

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