Notice: Users may be experiencing issues with displaying some pages on stanfordhealthcare.org. We are working closely with our technical teams to resolve the issue as quickly as possible. Thank you for your patience.
A rare, usually benign, tumor that secretes substances producing symptoms such as hypertension, palpitations, flushing, headache and tremor. Pheochromocytomas most often arise from cells of the adrenal gland. Specific anti-hypertensive medications or surgery are recommended to treat this condition.