Answer: depends whats causing it. low levels of hydrochloric acid in the stomach can lead to "leaky gut syndrome" , in which the intestines become porous and allow food particles to ener the blood stream, causing allergic reactions. Candidaisis, or a systemic yeast infection, can cause it too. Keeping your ph over 6 is a good way to fend off many ailments in general. You may have food allergies. Dairy is a big culprit in eczema. Also, rule out chemical sensitivities. Skin lotion often has perfumes that can cause this, and classically make-up can cause eczema also. If its make up try something that is all natural (health food store). Even ivory soap can cause eczema. You could be getting exposed to fiberglass, that definattely causes eczema, rashes. Dont rule out air pollutants.There are many posibilities, and it may take a while but like me, you will eventually figure it out. Remember, eczema is your body's way of telling you there's something wrong!