I have sever headaches one side of my head is larger from swellingmy scalp started oosing a sticky substance then crusted over and then hair fell out?

Scalp problems: Typically acquired asymmetry of the head after the age of about 8 years, indicates either a neoplasm or bone disease of the skull. But symptoms you describe are more suggestive of scalp involvement (in or below the epidermis (superficial skin tissue). Hair loss and oozing would not likely occur from pure bony involvement. See dermatologist.