my niece having this eczema which cause from allergy if im not mistaken.day by day i look at her.her skin becomes itchy all over the body,head to toe & the skin very rough & redness.it become worse when at night.her parent always gave an anchovies during meal.so i wonder is it because of the anchovies the diesease become worse or is it because of other factor?is it genetic?any advice on treatment,diet for children who have ezcema?