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.
Eczema is a term given to a variety of skin conditions. It is concerned mainly with the upper layer of the skin. It is characterized by symptoms such as formation of red bumps or skin rashes, itching, scaling, crusting, flaking, weeping, and inflammation of the skin.Different types of eczema include atopic dermatitis, contact dermatitis, irritant dermatitis, seborrheic eczema, nummular eczema, and dyshidrotic eczema.czema is a term given to a variety of skin conditions. It is concerned mainly with the upper layer of the skin. It is characterized by symptoms such as formation of red bumps or skin rashes, itching, scaling, crusting, flaking, weeping, and inflammation of the skin.