Hair Transplantation...Lets change the personality n confidence

A male child of age 6 year presented in OPD with erythematous patches of hair loss with itching and sometimes pain.According to history obtain from his parents the lesion is improving after medication and aggregate after stopping medication prescribed by their doctor. Suggest diagnosis and management.

5 yr old boy with white forelock and blue eyes . On further examination sensorineural hearing loss present . What is the probable diagnosis ?

1 month old child with dry scalp n patch hair loss, no fever,no sick look,accepting feeds well..

23 year old Female with No H/O DM/ HTN presented with Sudden acute onset of Hair loss in this pattern. what can be the possible and most likely cause of this? And suggest treatment too.