Lupus often attacks the nerves, which carry messages from the brain to the rest of the body. This damage can lead to a range of symptoms, including headaches, confusion, vision problems, mood swings, dizziness, and numbness. When lupus attacks nerves to the hands and feet, it can cause Raynaud’s phenomenon, which causes the tips of the fingers or toes to turn red, white, or blue. Fingers and toes may also feel numb or painful in response to cold.
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