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Updated: Jul 9, 2026

Cheek Injection Model for Simultaneous Measurement of Pain and Itch-related Behaviors
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Generalized pruritus: a prospective study concerning etiology.

Muhterem Polat1, Pinar Oztas, Mustafa N Ilhan

  • 11st Dermatology Department, Ankara Numune Education and Research Hospital, Ankara, Turkey. drmuhterempolat@mynet.com

American Journal of Clinical Dermatology
|December 21, 2007
PubMed
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Generalized pruritus, or widespread itching, was the first sign of systemic disease in 8 of 55 dermatology patients. Iron deficiency anemia was the most frequent underlying cause identified.

Area of Science:

  • Dermatology
  • Internal Medicine
  • Clinical Research

Background:

  • Generalized pruritus frequently indicates underlying systemic disease.
  • Identifying systemic causes is crucial for effective patient management.

Purpose of the Study:

  • To investigate the frequency of systemic etiologies for generalized pruritus in dermatology outpatients.
  • To identify patient characteristics associated with a higher likelihood of systemic causes.

Main Methods:

  • Prospective controlled study involving 55 patients with generalized pruritus and 41 healthy controls.
  • Collection of clinical data and laboratory parameters for comparison between groups.

Main Results:

  • 12 out of 55 patients had a systemic cause for their pruritus.

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  • Iron deficiency anemia was the most common systemic cause.
  • Patients with pruritus showed lower mean hemoglobin, iron, and vitamin B12 levels compared to controls.

    • Conclusions:

    • Generalized pruritus served as the initial symptom of systemic disease in 8% of dermatology outpatients.
    • Iron deficiency anemia is a significant underlying cause of generalized pruritus.