Have you had your Magnesium level tested?
Eczema can be caused by mineral imbalance with Low magnesium levels which can lead to Anxiety, muscle spasms, insomnia, depression, muscle aches, muscle twitch, restless legs, panic attacks, weak bladder control, extreme weakness or tiredness, irregular heart rhythm, diabetes , hypothyroidism etc. If you have any of these added symptom Magnesium Supplements or regular Epsom Salt bath may make an improvement for you . Internet search "Organic Facts Magnesium" for more info.