How long ought to eczema rash take to clear up following eliminating the allergin from diet regime. My three month old has?

rash on face you ought to hold an eye on:
Query by JDMOM: How extended need to eczema rash take to clear up after eliminating the allergin from diet. My three month old has?
had it on face, tummy and legs for about a month now. We figured out he has a milk and soy allergy and have modified his formula so that he is no longer receiving those. The rash on his face is better. It began obtaining greater inside 12 hours of changing the formula, but his legs and tummy are nevertheless pretty

Itching Urticarial Rash