Does it make sense to have allergy testing for eczema?

myname asked:Mydermatologist hadmedoblood test tosee ifI havea food allergy orotherallergies thatiscausing myeczema. I thoughteczema isnotcaused byanyallergen. Doesitmakesense tohaveallergy testing foreczema?

BTW,I hadmybloodwork done 2 weeks ago,and[...]