Get the Facts Hair loss is a condition in which hair is lost at an increased rate from the scalp or entire body. Hair loss can affect men, women and children as a result of genetics, medications, other medical conditions or hormonal changes. Hair loss can be permanent or temporary, but the outcome depends on the cause of the loss. Depending on the cause of the hair loss, there are different treatment options available. For hair loss concerns, it is best to be assessed by a dermatologist first to determine the cause before the appropriate treatment can be determined. Patients require a physician referral to see our dermatologist regarding hair loss.