With the persistence of these symptoms, it would indeed be wise to consult with a
mentalMental retardation
Mental status tests health professional. Your daughter will not be scarred by such an experience. Something is wrong, if you will. It's the behavior, which is injurious to your daughter, that deserves some focus. This will not imply that something is wrong, or inadequate, in her. With such a young child, such behaviors are often meant to reduce
tensionDrug induced hypertension
Drug-induced hypertension
Essential hypertension
High blood pressure (hypertension)
Hypertension
Hypotension
Ileus - x-ray of bowel distension
Mixed tension migraine
Multiple system atrophy
Preeclampsia
Pseudotumor cerebri, though the child may be quite unaware of what is producing the tension. Some children are temperamentally inclined to respond in this manner, even when there are no significant stressors from an objective standpoint.
Some of her hair began falling out. Now she is in third grade, and had begun pulling her eyelashes out. It sounds as if your daughter probably bites her nails and fingertips when she is nervous or anxious, then it became a habit.
The earlier you begin therapy the better, we have been in and out of it with our daughter, and in hindsight, I wish we would have kept it up long term. Now that my daughter is older, she is more aware of going to counseling etc., and I think she is somewhat self consious of it. I wish you the best of luck.