Suggest Treatment For Skin Rashes On Cheeks And Extremities Of A Child

my son is 1 yr and 1 month old, weight : 10.5 kg . He started to have dry skin with red color hives likes rashes over cheeks, extremities, front torso and thighs, with eczematous state of ankle and dorsum of wrist. He had not recevied breast feeeding as he didn t took at all and since birth till now on formula milk with timed induction of weaning food. certain food we observed exacerbate these rashes esp eggs, wheat, milk ( both cow/ and goat ). He is now on hypoallergic fomrula but condition is devastating for parents. kindly give advise alongwith rationale counsilling.