skin disease; skin disorder
General term for diseases or disorders affecting the skin; usable in everyday speech and medical contexts.
Is this skin disease contagious?
I am taking my dog to the veterinary clinic for a skin disease.
The dog came down with a skin disease.
This medicine can cure the skin disease.
Thanks to the treatment, the skin disease cleared up completely.
湿疹 names a specific rash-like eruption (eczema), whereas 皮膚病 is the general category term for skin diseases of any kind.
A Sino-Japanese compound: 皮膚 means "skin" and 病 means "disease" or "illness."