What characterizes urticarial vasculitis
They last more than 24h and irritate rather than itch
How long does a chronic urticaria lasts
More than 6 months
What is the treatment of scalp seborrheic dermatitis
zinc pyrithione or selenium sulfide shampoos
What’s the skin condition characterized by targetoid plaques? Immune-mediated
Erythema multiforme
Whats the difference between bullous pemphigoid and pemphigus vulgaris?
Vulgaris is intraepidermal and the other is basal membrane, so the bullae in vulgaris burst
What is the treatment for moderate to severe hidradenitis supurativa?
TNF inhibitor like adalimumab
Characteristic of keratoacanthoma
Rapidly growing
Painful
Ugly
Variant of SCC
Phototoxic reactions present as
exaggerated sunburn within minutes to hours of sun exposure; tetracyclines are a common inciting agent.
Pityriasis rosea
Pityriasis rosea classically begins with a single, pink, 2- to 4-cm, thin, oval-shaped plaque with a thin collarette of scale at the periphery (known as the herald patch),
