What's the cause?

There are two types of herpes simplex virus (HSV), type 1and type 2.

Both HSV-1 and HSV-2 can cause a herpetic whitlow. These viruses can also cause Herpes simplex virus and genital herpes .

A herpetic whitlow can develop as a secondary infectionif you already have acold sore or genital herpesand you touch the sore area of skin, transferring the virusfrom your mouth or genitals to your finger.

It can also develop if youtouch the sore or blister of another infected person.

You're at greater risk of becoming infected if you have a weakened immune system.

Content supplied by the NHS Website

Medically Reviewed by a doctor on 21 Dec 2018