Treatment depends if having pain or not, age (<5yo, 5-7 yo, 7-12, older than 12yo.
Could be as simple as taking tylenol
) rest. Or more complex as having surgical contaiment, surgey. There could be complication as stiffness-loss of rotation, arthritis
, limb-lenght discreptancy. My advice is to work with an pediatric orthopedic. They are very good at this.