Nervous System

Peripheral Nervous System: Somatic Nervous System

Which infection may affect the skin of a single dermatome?

Shingles, or herpes zoster, appears as a painful rash on the skin corresponding to the sensory nerve in the area of a single dermatome. The virus is the same one that causes chicken pox. If someone has chicken pox as a child, the virus may lay dormant in the nerve roots of the spinal nerves for decades. If reactivated, the virus will present itself as shingles.


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