Pruritis

Last updated: Friday, 28, January, 2011
CausesAppropriate Tests

Clinical assessment; pathology tests may contribute to diagnosis.

With skin lesions

Skin biopsy, if indicated.

Dermatitis, especially

Drug reactions

Urticaria

Infective lesions, especially

  • Fungal
  • Ecto-parasites, especially
    • Scabies

 

Skin scrapings - fungal microscopy and culture.
Skin scrapings from area of burrows - microscopy

Urticaria pigmentosa

Cutaneous Lymphoma (non-Hodgkin's)

Without skin lesions

Aged, thin skin

Drug reactions, especially

  • Aspirin
  • Opiates

Renal failure, chronic

Cholestasis

Polycythaemia rubra vera

HIV infection

Hodgkin's disease

Diabetes mellitus

Iron deficiency

Plasma cell dyscrasias

Psychogenic

Idiopathic