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.
Here are some signs and symptoms that you have to watch out for in your child to know if it is the case of eczema:: 1  Itchy, dry and red skin. 2  Small bumps on cheeks, forehead or scalp. 3  Rash that keeps spreading to limbs.  Red, crusted and open lesions that are seen on the skin of any body part.