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 non-contagious, inflammatory skin condition that is characterized by itching, redness, and scaly rashes. These symptoms can be painful, cause skin coloring changes, and blisters. Symptoms of eczema often appear on the arms, legs, hands, and face.The itch associated with eczema can be severe, often interrupting sleep. Scratching of the skin may lead to an infection. Infants who have eczema may rub against bedding or other things in an attempt to relieve the itch.hese symptoms can be painful, cause skin coloring changes, and blisters. Symptoms of eczema often appear on the arms, legs, hands, and face. The itch associated with eczema can be severe, often interrupting sleep. Scratching of the skin may lead to an infection.