My daughter woke up with this huge

Though its appearance can be unsettling, a blood blister is typically a minor injury that heals on its own within one to two weeks.

The safest approach is to leave it intact, protect it from further rubbing, and ease discomfort with a cold compress.

If it breaks, gentle washing, antiseptic, and a clean bandage help prevent infection.

Medical advice becomes important when pain is severe, healing is delayed, infection is suspected, or underlying conditions like diabetes or circulation problems raise the stakes.