Warts verruca vulgaris

Cantharidin is the active irritant isolated from cantharides. It is mainly used in the treatment of molluscum contagiosum and verruca vulgaris, particularly periungual warts. 

Verruca vulgaris, verruca plana, and cutaneous horn are forms of viral warts produced by the human papilloma virus (HPV).They are caused by an overgrowth of normal epithelium that may become keratinized and pigmented. Because they occur only in the superficial tissue layer, the body does not recognize them as foreign and therefore does not mount an immune reaction. They are most commonly found in children and young adults and may... 

In refractory condylomata acuminata (genital warts), intralesional injection of various IFNs is associated with complete clearance in 36-62% of patients, but other treatments are preferred. Relapse occurs in 20-30% of patients. Verruca vulgaris may respond to intralesional IFN-CC. Intramuscular or subcutaneous administration is associated with regression in wart size but greater toxicity. Systemic IFN may provide benefit in recurrent juvenile laryngeal papillomatosis and laryngeal disease in older patients. 

The client with a verruca vulgaris (wart) on the left ring finger below the knuckle is prescribed a colloidal acid solution. Which information should the nurse discuss with the client ... 

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