Depigmentation spot on hood of clitoris

I noticed a depigmented spot on the hood of my clitoris. For context, I masturbate daily but sometimes I go overboard (i.e. will spend hours at it even when feeling actively sore). I also have swelling on the side of my clit, where I rub myself. Could this be a friction burn? And will the swelling subside if I cool it for a period of time? The longest I’ve been able to go recently has been 5 days and I did not notice a significant change in color of the depigmented spot. Has anyone experienced this before? Thanks in advance!

submitted by /u/Sweet_Mousse_8986
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