In reference to food, ânitrateâ really means sodium nitrate, but should really refer to sodium nitrite. While these are two completely different chemical compounds, they are often used interchangeably by those outside of the science realm. 1  Sodium nitrate is a type of salt, naturally found in Chile and Peru.
Symptoms. Diagnosis and Treatment. Prevention. 1  Patches of chronically itchy, dry, thickened skin, usually on the hands, neck, face, and legs (but it can occur anywhere). 2  In children, the inner creases of the knees and elbows are often involved.
Dyshidrotic eczema: Signs and symptoms How dyshidrotic eczema begins. This skin disease appears suddenly. For most people, the first sign is deep-seated blisters on their hands. Some people feel an itchy or burning sensation before the blisters appear. Signs and symptoms. If you have dyshidrotic eczema (DE), youâll likely notice: Small blisters that vary in size on your palms and sides of your fingers (and/or soles) A rash and scaly skin where blisters appear