Dandruff is contagious so keep your soap, comb, towel, pillow separate. Ideally bed too separate. Wash towel , pillow cover etc. in warm water and dry them in direct sun light. Reason of pain in skull needs to be ascertained by the physician to whom you want to consult. You can wash your hair with curd , so apply curd on your skull and leave for 2 hrs., thereafter wash with normal soap and water but notwith shampoo. Do it twice a week for two weeks. You can shampoo your hair next day.
Next Steps
If you wish so do consult through this App for homoeopathic treatment.