Probably the best in this situation would be a cognitive-behavioral approach, if I have to choose one approach.
Explanation:
This approach is reported as a very effective in treating anxiety disorders. Especially, if the person is not interested in a deeper analysis but only in removing symptoms.
Although, each approach understand specific symptoms in a different way and approach it in a different way, so you can use any therapeutic school to try to help the patient, including art-therapy.
Its a branch of anthropology responsible for identifying origin, evolution and diversity of people. How they behave and physically vary from one another.
