Hair tourniquet syndrome is a rare but important condition in children—most often infants—where a strand of hair or thread tightly wraps around a finger, toe, or sometimes the genitals. This constriction can cut off blood flow, leading to swelling, pain, color changes, and if not recognized early, tissue damage. It can be hard to spot because hair is thin and swelling can hide it. Signs include unexplained fussiness, persistent crying, redness, or swelling of a single digit. Prompt removal of th

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