Blistering distal dactylitis

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Blistering distal dactylitis
SymptomsLarge blisters on a tender red base on the tips of a finger or thumb[1]
Causesgroup A β-hemolytic streptococcus[1]
TreatmentIncision and drainage, antibiotics[2]

Blistering distal dactylitis is a skin infection characterized by tense superficial large blisters on a tender red base on the fat pad of a finger or thumb, most frequently seen in children age 2 years to 16 years old.[1] There is typically no fever or lymphadenopathy.[3]

It is generally caused by group A β-hemolytic streptococcal.[1] Staphylococcus aureus may cause a more impetigo like appearance.[1]

Diagnosis can be confirmed by culturing the fluid in the blister.[2] Treatment is by incision and drainage and a 10 day course of antibiotics.[2]

It was first described by Hays and Mullard in 1972.[4]

See also


  1. 1.0 1.1 1.2 1.3 1.4 James, William D.; Elston, Dirk; Treat, James R.; Rosenbach, Misha A.; Neuhaus, Isaac (2020). "14. Bacterial infections e". Andrews' Diseases of the Skin: Clinical Dermatology (13th ed.). Edinburgh: Elsevier. p. 262. ISBN 978-0-323-54753-6. Archived from the original on 2023-04-21. Retrieved 2023-04-21.
  2. 2.0 2.1 2.2 Dinulos, James G. H. (2019). "9. Bacterial infections". Habif' Clinical Dermatology (7th ed.). Elsevier. pp. 359–360. ISBN 978-0-323-61269-2. Archived from the original on 2023-04-21. Retrieved 2023-04-21.
  3. Zhang, LW; Wang, WJ; Chen, T (7 February 2022). "Blistering distal dactylitis". Canadian Medical Association journal. 194 (5): E167. doi:10.1503/cmaj.210685. PMID 35131755. Archived from the original on 21 April 2023. Retrieved 21 April 2023.
  4. Anjaneyan, Gopikrishnan; Kaliyadan, Feroze (2022). "Blistering Distal Dactylitis". StatPearls. StatPearls Publishing. PMID 29261947. Archived from the original on 2022-12-13. Retrieved 2022-12-13.