Derm

Cholestasis associated Pruritus

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Cholestasis associated Pruritus, Pruritus associated with Cholestatic Liver Disease

  • See Also
  • Pathophysiology
  1. Bile salt protease release in skin and plasma
  • Causes
  • Cholestasis
  1. Chronic Liver Disease
  2. Pancreatic carcinoma
  3. Primary biliary Cirrhosis (Pruritus in all cases)
  4. Intrahepatic Cholestasis of Pregnancy
    1. Affects 0.5% of women in third trimester
  1. Intense itching worse at night
  2. Location (initial)
    1. Hands and feet
    2. Pressure areas
  • Signs
  1. Hyperpigmentation in areas of heavy scratching
  2. Spares midback resulting in butterfly-shaped rash
  • Management
  1. Cholestyramine (or Colestipol if Constipation limited)
    1. Has also been used in Pruritus of pregnancy
  2. Ursodeoxycholic Acid
    1. Used in primary biliary Cirrhosis (intense itch)
  3. Ultraviolet Radiation
    1. May be indicated in refractory cases
  4. Ondansetron
  5. Opiate receptor antagonist
    1. Naloxone IV
    2. Nalmefene PO