<s>[INST] my 5 year old son , who is a milk allergent has lost all his hairs from the head within 15 days .One thing is to be noted is that his hairs has fallen not from the roots allhis scalp is covered with black pigmentation of hair .What is this problem// and how will he cured. [/INST] looks like milk allergy but seborrheic dermatitis and zinc deficiency cant be ruled outgive her syrup zinc for two weeksapply steroid cream on scalpget head bath with ketoconazole shampoo alternate day </s>