I wouldn't do the skin testing at all. Its bad, invasive and unnecesary. My son had alllergies very bad, and now is almost 4 and has outgrown them. He had hives (severvely) and we eliminated wheat, soy, dairy (all) and nuts (all). We ate only whole grains splet, quinoa, brown rice, millet etc. We also started eating meat. Fish and chicken (free range) and the diet change allowed his body to grow to tolerate these foods now.
For you I would recommend evening primrose oil (EPO can be found at most natural food stores) It may be a change of hormones. I got hives when I was pregnant and took EPO and they cleared up. I now take it for PMS and menstral cramping.
For the both of you it may be a yeast problem(?) Try to alter your diet to do a yeast cleanse for a couple weeks and see if that helps. No sugar, yeast, alcohol, or juice. Limit fruit to 2 pieces a day and increase your protien intake. This should help. I would also recomend country comfort goldenseal and myrh salve for dry itchy eczema. Hope that helps!
btw not always the case but
stomach is usually dairy (lactose) intolerance
skin usually wheat
runny nose usually soy or dairy
nuts and night shades usually throat swollen