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Related Concept Videos

Skin Diseases and Disorders01:23

Skin Diseases and Disorders

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Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
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Peptic Ulcer Disease I: Introduction01:30

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Author Spotlight: Oral Candida Diagnosis to Advance Clinical Treatment Regimen for pSS Patients
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Hypocalcemia-related pustulosis: a case report.

A El Bouhmadi1, F El Fatoiki2, H Rachadi2

  • 1Dermatology Department, CHU Ibn Rochd, Casablanca, Morocco. elbouhmadiassia@gmail.com.

Journal of Medical Case Reports
|October 10, 2025
PubMed
Summary

Hypocalcemia can cause sterile pustular eruptions, mimicking psoriasis. Prompt calcium and vitamin D treatment rapidly resolved a patient's severe skin lesions, underscoring the importance of electrolyte monitoring.

Keywords:
DermatologyHypocalcemiaMetabolic disorderPustular dermatitis

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Area of Science:

  • Dermatology
  • Endocrinology
  • Internal Medicine

Background:

  • Hypocalcemia-related pustulosis is a rare condition presenting as sterile pustules on an erythematous base.
  • It is frequently misdiagnosed as generalized pustular psoriasis, complicating patient management.
  • Recognizing hypocalcemia as a cause of pustular eruptions is key for effective treatment.

Purpose of the Study:

  • To highlight the association between hypocalcemia and pustular eruptions.
  • To emphasize the diagnostic challenges and importance of electrolyte evaluation.
  • To demonstrate the therapeutic efficacy of calcium correction in such cases.

Main Methods:

  • A case study of a 34-year-old woman with hypoparathyroidism presenting with generalized pustular eruption.
  • Diagnostic workup included laboratory tests confirming severe hypocalcemia and a skin biopsy excluding psoriasis.
  • Treatment involved calcium and vitamin D supplementation.

Main Results:

  • The patient exhibited severe hypocalcemia (52 mg/L) and low parathyroid hormone levels.
  • Skin biopsy ruled out psoriasis, supporting a diagnosis of hypocalcemia-induced pustulosis.
  • Pustular eruption resolved dramatically within 24 hours of treatment initiation and cleared completely over days.

Conclusions:

  • Investigating electrolyte imbalances, especially hypocalcemia, is crucial for unexplained pustular eruptions.
  • Prompt calcium correction leads to rapid and complete resolution of skin lesions.
  • Early diagnosis and management of hypocalcemia are vital for patient recovery.