PATHOPHYSIOLOGY
Low fiber and sedentary lifestyle
Metabolic and endocrine disturbances
Mechanical obstruction
Drug use
Psychiatric disease & psychosocial distress
Neurologic impairment
Inhibition of rectal defecation reflex

WORK-UP
History
symptoms
diet and exercise
Physical exam
skin
abdomen
rectal
neurologic
Lab
X-rays
R/O metabolic disorders
R/O anemia in elderly

MANAGEMENT
Reassure
Education
Improve diet and exercise
Bulking agents or laxatives
Enemas for impaction
Time for defecation
Prevention