Pituitary Tumors
Signs and Symptoms

Patients with pituitary tumors may experience one or more of the following symptoms:

  • Headache
  • Loss of peripheral vision or decreased acuity in one or both eyes
  • Double vision
  • Nausea with or without vomiting
  • Weight loss or gain
  • Loss of appetite
  • Fatigue or decreased energy
  • Joint pain
  • Increase in shoe or ring size
  • Development of high blood pressure or diabetes mellitus
  • Decreased mental function
  • Dizziness

One type of pituitary tumor can cause a woman's breasts to produce milk even though she isn't pregnant and can stop her periods. Women may experience irregular or lack of periods and infertility, while men may have erectile dysfunction, loss of body or facial hair, loss of sexual drive and infertility.

Reviewed by health care specialists at UCSF Medical Center.