I also think that it was a reaction to the MMR vaccine; however, my daughter has had very itchy
eczema with her intolerances/allergies; also when we eliminated all the food allergies she still reacted very seriously to the cat, so we had to get rid of him. When we visited my mother-in-law few months later she got sick again just from being in the same house with the cats (crying, itchiness, ...