Fortunately, I don't suffer from eczema myself. But a lot of people do, and there are natural treatments available.
Xma Ease is a cream made with all natural ingredients, including collidal silver and jojoba oil. It is free of steroids. Available in a 60ml tube ($21.50) and a 100ml tube ($36). It can be bought at an number of different pharmacies and health stores - check out their website for stockists.
Some other good products are Natralia Nourish Eczema & Psoriasis Wash 200ml (not sure of the price), and Natralia Nourish Eczema & Psoriasis Cream 50g (22.99). Available at Health 2000 stores.