Blister on penis

[nevinm]

Hi, just over month ago I noticed a greyish blister on the head of my penis. It started off painless but gradually started feeling pain on my penis and all over my body. I went to the doctor and was told that it was probably a viral infection and was prescribed antiviral and fungal creams. I got a test for Herpes which was negative. The blister had since dried out, but I still feel pain down my legs, anus, urethra and back. Does anyone know what this possibly might be and if it could be serious? I am a bit concerned because its taking so long to get better.

Thanks

[BhumikaMD]

Hi,

There are several causes of blisters.

'Blisters are usually caused by injury to the skin from heat or from friction, which create a tear between the epidermis—the upper layer of the skin—and the layers beneath.

Short periods of intense rubbing can cause a blister, but any rubbing of the skin at all can cause a blister if it is continued for long enough. Blisters form more easily on moist skin than on dry or soaked skin, and are more common in warm conditions.

Sometimes, the skin can blister when it comes into contact with a cosmetic, detergent, solvent or other chemical; this is known as contact dermatitis. Blisters can also develop as a result of an allergic reaction to an insect bite or sting.

There are also a number of medical conditions that cause blisters. The most common are chickenpox, herpes, impetigo, and a form of eczema called dyshidrosis. '

http://en.wikipedia.org/wiki/Blister

It would be best to consult a doctor if it does not resolve on its own in a few days.

Let us know if you need any other information.

Regards.