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.
Types of Ear Rash. To ensure that you deal with your ear rash effectively, it is important to be aware of some of the underlying conditions that can cause it. These most frequently include eczema, contact dermatitis, ringworm and rubella. Below is a brief overview of each condition as well as some information on specific treatments. 1. Eczema. When you notice a red rash behind ear, oftentimes, eczema is the first culprit to be considered. Also known as atopic dermatitis, this is a chronic condition that causes ...