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.
Nearly 31 million Americans suffer from eczema-related symptoms. Those embarrassing patches of rough, reddened, intensely itchy skin can keep eczema sufferers from enjoying their lives, and for a parent, itâs difficult to watch your child go through it. Surprisingly, the exact cause of eczema is still a mystery to doctors.