Vijay Shivaswamy, MD; Whitney S. Goldner, MD; and Joseph Erwin, MD
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Sir: Pheochromocytomas are rare neuroendocrine tumors
diagnosed by elevated plasma and/or urine catecholamines or
their metabolites.
1,2 Medications reported to cause false-positive
serum or urine studies include acetaminophen, phenoxybenzamine,
amitriptyline, labetolol, haloperidol, levodopa, tamsulosin,
venlafaxine, hydrochlorothiazide, and buspirone.
2,3 We
report a case in which lamotrigine, aripiprazole, or both caused
symptoms and biochemical evidence suggesting pheochromocytoma
that resolved when the drugs were discontinued.
Prim Care Companion J Clin Psychiatry 2007;9(2):154
https://doi.org/10.4088/PCC.v09n0211g
© Copyright 2007 Physicians Postgraduate Press, Inc.