It depends on whether the rash is accompanied by other conditions like swelling or fever. Immediately go to the doctor. Sometimes if the rash is mild, it goes away because it was an allergy or dermatitis or eczema.
Have a good day.
The child's physical appearance may not be healthy.
Hope this helps.
Douching is harmful to the vaginas walls. I would guess Spermicides.
A, the hair grows from a follicle