My daughter woke up with this huge spot on her foot I don’t know what it could be. She’s been in pain and can’t move her foot what is this.. Explain this

Blood blisters can look alarming when they suddenly appear. Unlike ordinary blisters filled with clear fluid, these raised spots contain trapped blood beneath the skin, giving them a dark red, purple, or even black appearance. While they often seem serious at first glance, most blood blisters are minor injuries that heal naturally with proper care…. Continue Reading ⬇️