hi i had gone through your query and understand your concerns. i would come up with the possibility of ATOPIC DERMATITIS
may be the cause for your sufferings.
-hereditary; there is a strong familial predisposition to allergic diseases like asthma
and hay fever
-frequently ,a personal history of collateral allergies is present.
-emotional stresses and parental attitudes can also cause this condition
i would suggest you taking Homeopathic
medicines gives safe and permanent cure for your complaints
consult your local homeopathic physician for correct diagnosis of the case and remedy to fit your complaints
I hope this is helpful for you, thank you