🦠microbiology review

Filiform warts

Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025

Definition

Filiform warts are a type of common wart caused by the human papillomavirus (HPV). They typically appear as small, thread-like growths on the face, neck, or eyelids.

Course connection

Topic 21.3: 21.3 Viral Infections of the Skin and Eyes

Unit 21

5 Must Know Facts For Your Next Test

  1. Filiform warts are caused by specific strains of HPV, particularly types 1, 2, 4, and 27.
  2. They are highly contagious and can spread through direct contact with an infected person or contaminated surfaces.
  3. Filiform warts have a finger-like appearance due to their elongated shape.
  4. These warts can cause discomfort and may become irritated due to their location on sensitive skin areas.
  5. Treatment options include cryotherapy, salicylic acid application, laser therapy, and surgical removal.