2 Answers

Hi Sandy Pandy,  I found some info on webmd for you.   I don't think it's serious but it does warrant a visit to the pediatrician. 

Tinea capitis

Tinea capitis is the most common cause of hair loss in children. It is a disease caused by a superficial fungal infection of the skin of the scalp, eyebrows, and eyelashes, with a propensity for attacking hair shafts and follicles. The disease is considered to be a form of superficial mycosis or dermatophytosis.

Alopecia Areata

This disease shows up as the sudden appearance of round or oval patches of hair loss. These patches are completely slick, bald, or smooth without any signs of inflammation, scaling, or broken hairs. They appear overnight, or sometimes over a few days.

Trauma to Hair Shaft

This is another common cause of hair loss in children. Often the trauma is caused by traction (consistently worn tight braids, ponytails, etc.) or by friction (rubbing against a bed or wheelchair, for example). Chemicals burns are another cause.

Trichotillomania

Another misunderstood cause of trauma hair loss is called trichotillomania, the habit of twirling or plucking the hair. Trichotillomania is thought to be an obsessive-compulsive disorder that can be extremely difficult to treat, since the patient usually feels compelled to pluck their hair. The hair loss is patchy, and marked by broken hairs of varying length. Within the patches, hair loss is not complete.

Tinea capitis

Tinea capitis is the most common cause of hair loss in children. It is a disease caused by a superficial fungal infection of the skin of the scalp, eyebrows, and eyelashes, with a propensity for attacking hair shafts and follicles. The disease is considered to be a form of superficial mycosis or dermatophytosis.

Please go to webmd for further information. http://www.webmd.com/skin-problems-and-treatments/hair-loss/hair-loss-causes-treatments

female pattern baldness