1 Sodium nitrate is a type of salt, naturally found in Chile and Peru. 2  It can also be created in a lab. 3  Sodium nitrite is also a type of salt, but is not found naturally and is created in a lab or as a byproduct of two other chemical reactions (i.e. when sodium nitrate is added to food and reacts with existing chemicals).
Eczema on Ear. Eczema on the ear can be particularly uncomfortable because of the extreme itchiness it can cause and the likelihood of an infection developing when the skin is damaged. The ear also becomes more prone to invasion by bacteria or fungus.
Other types of eczema. Eczema is the name for a group of skin conditions that cause dry, irritated skin. Other types of eczema include: 1  atopic eczema (also called atopic dermatitis) â the most common type of eczema.2  contact dermatitis â a type of eczema that occurs when the body comes into contact with a particular substance.3  discoid eczema â a type of eczema that occurs in circular or oval patches on the skin.ther types of eczema. Eczema is the name for a group of skin conditions that cause dry, irritated skin. Other types of eczema include: 1  atopic eczema (also called atopic dermatitis) â the most common type of eczema.