Sheehan syndrome

Sheehan syndrome is a rare, acquired, pituitary hormone deficiency disorder resulting from pituitary necrosis following peri- or postpartum hemorrhage characterized by various symptoms depending on resulting hormone decrease (e.g. failure or difficulty with lactation, oligo- or amenorrhea, hot flashes, decreased libido, weakness, fatigue, anorexia, nausea, vomiting, hypoglycemia, hyponatremia, dizziness, decreased muscle mass, adrenal crisis). Secondary hypothyroidism and secondary adrenal insufficiency may also be presenting signs.