could be a liver issue too much sun and sometimes synthetic hormones will cause brown spots in which case they will disappear after a while. taking tricyline will also cause brown spots.
brown spots on lower legs? . i am 46 year old male. i have worked out an exercised for 30 + years. i have brown spots all over my lower leg down to my ankles that have been there for 5 years at least. i always contributed it to being in pc chair for hours on end at home. i know when i sit for hours(4-5) sometimes i get up an lower legs are puffy but it goes away so put 2 an 2 together. i have busy "day job" and walk a mile daily. never have i have a single issue with legs pain skin etc. curious etc.