medical conditions associated with constipation

Etiology

• mechanical obstruction
  • colon cancer
  • external compression from malignancy
  • stricture (diverticulosis ischemia)
  • rectocele (large)
  • postsurgical anomalies
  • megacolon
  • anal fissure
• metabolic disorders, endocrine disorders
  • diabetes mellitus
  • hypothyroidism
  • hypercalcemia
  • hypokalemia
  • hypomagnesemia
  • uremia
  • pregnancy
  • porphyria
  • panhypopituitarism
  • anorexia
  • heavy metal poisoning
• myopathies & connective tissue disorders
  • amyloidosis
  • scleroderma
  • dermatomyositis
  • myotonic dystrophy
• neuropathies
  • Parkinson's disease
  • spinal cord injury or tumor
  • cerebrovascular disease
  • multiple sclerosis
  • autonomic neuropathy
  • Hirshsprung disease
  • Chagas disease
  • neurofibromatosis
  • ganglioneuromatosis
  • intestinal pseudo-obstruction (myopathy, neuropathy)
• other conditions
  • depression
  • cognitive impairment
  • immobility
  • cardiac disease