Could your itchy rash be a symptom of eczema? Perhaps. Eczema, also called dermatitis, is a term that covers many types of inflammatory skin problems. The rashes tend to come and go, and often run in families. Some experts estimate that eczema affects a third of the world's people at some time in their lives. The best way to know for sure if you have eczema is to see a doctor. Until you make that appointment, however, check out this list of common eczema symptoms.