among the studies of systemic hormonal and physiological abnormalities associated with anxiety disorders , the most consistent and extensive findings suggest ( a ) peripheral adrenergic hyperactivity ( including increases in norepinephrine but not epinephrine ) and functional dysregulation , ( b ) increased incidence of mitral valve prolapse in panic patients , and ( c ) normal suppressibility of the hypothalamic-pituitary-adrenal cortical endocrine system with dexamethasone in panic patients .
C0028351
norepinephrine
C0014563
epinephrine