I read on the following site that this usually only lasts until 30. That's good news!
Depersonalization disorder often begins in the late teens or early twenties and usually resolves itself by age 30. While a nuisance, and very distressing to the patient, people with depersonalization disorder represent no risk to society, since their grasp on reality remains intact.
DX: chronic migraine, cervical degeneration, depression/anxiety
RX: Wellbutrin, Lexapro, Soma, Immitrex
"You don't find out that God is all you've got until God is all you've got."