Pityriasis lichenoides et varioliformis acuta

Specific investigations
First-line therapies
Second-line therapies
Third-line therapies
Transition of pityriasis lichenoides et varioliformis acuta to febrile ulceronecrotic Mucha–Habermann disease is associated with elevated serum tumour necrosis factor-alpha.
Tsianakas A, Hoeger PH. Br J Dermatol 2005; 152: 794–9.
The authors postulate that therapy with TNF antagonists may be indicated in these cases.