noun
skin disease; skin disorder
General term for diseases or disorders affecting the skin; usable in everyday speech and medical contexts.
この皮膚病は人にうつりますか。
Is this skin disease contagious?
犬の皮膚病で動物病院に通っている。
I am taking my dog to the veterinary clinic for a skin disease.
Means eczema or a rash-like eruption; it refers to a specific kind of skin problem rather than any skin disease.
A Sino-Japanese compound: 皮膚 means "skin" and 病 means "disease" or "illness."