They’re caused by HPV strains 3, 10, 28, and 49, according to Healthline. Periungual warts, which grow in the skin surrounding fingernails and toenails, are a reaction to HPV strains 1 ...

Periungual Warts: These warts grow around or under the ... are most often found on fingers, hands, knees, and elbows. These warts are easily recognizable by their rough, grainy surface and clearly ...

While dactylitis refers to nonspecific inflammation of a finger or toe, blistering distal dactylitis specifically refers to a periungual infection, most often caused by group A hemolytic streptococci.