Dermatitis is a common – and chronic – skin condition commonly seen in families where other members have components of what is called the atopic triad – allergies, hay fever and/or asthma. Dermatitis is an umbrella term used to describe a group of medical conditions that cause red, inflamed and itchy skin – the most common one being atopic dermatitis or eczema. If you’re reading this, chances are you, or a loved one are one of the 31.6 million Americans with some form of the condition.