|1. Atopic factor (so-called allergic predisposition)
We are seen in person inheriting hereditarily well
Kind of rash.
2. Itch is very strong.
3. Place where rash is given to is characteristic.
We do not rarely experience allergic disease including baby/infant rash before child comes to have attack of zensoku. In many cases, we call this with allergy march as symptom seems to gradually progress from skin to nasal mucosa, the lower part of the respiratory tract.