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Have You Noticed Small White Spots on Your Arms or Legs? Here’s What They Really Are

Small white spots on the arms or legs are common and can have several causes. They aren’t necessarily a sign of a serious illness. Common possibilities Idiopathic guttate hypomelanosis (IGH): Small, flat, pale-white spots, often a few millimeters in size, commonly appearing on sun-exposed arms and legs. They’re especially common with increasing age and long-term …