Nail Clinic: A Blistering Problem Statistics

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  • A blister may be as tiny as the head of a pin or up to 5 to 10 millimeters wide
  • Bullae are blisters that are larger than 1 centimeter wide
  • Blisters can also be referred to as vesicles
  • Over-the-counter treatments are available for certain conditions that cause blisters, including poison ivy and cold sores


*Source: National Library of Medicine, National Institutes of Health,