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Acne fulminans

By Dr. Pascal Bafteh · last updated 09/2026

Acne fulminans: acute eruptive ulcerating acne papules with hemorrhagic crusts on the face
AI-generated illustration for teaching purposes – not a real patient photo.

Overview

Course & target group: Acne fulminans is the most severe variant of acne conglobata with an acute systemic inflammatory course and predominantly affects male adolescents.

Clinical features: ulcerating, necrotizing lesions are present, accompanied by fever + polyarthralgia and hepatosplenomegaly.

Associations: Particularly with SAPHO syndrome as well as chronic inflammatory bowel diseases.

Therapy: Initial systemic glucocorticoid therapy, followed by cautious introduction of isotretinoin over several months, with a low starting dose.

Differential diagnoses

Practise Acne fulminans in the app

Flashcards with spaced repetition, exam questions and spot-the-diagnosis on this topic – in DermaFuchs, free of charge.

In the DermaFuchs app: 7 flashcards · 1 clinical images

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Sources (selection)

  1. Karvonen et al. 1993

More diseases of the skin appendages

Note: This page is intended for medical education and does not replace diagnosis or treatment decisions in individual cases. Treatment and follow-up content is available in the app.