Urticaria is complicated to diagnose by its symptomatic overlap with other skin conditions and the frequent misclassification ...

POD is an inflammatory facial eruption, presenting as tiny monomorphic flesh-colored to erythematous papules, vesicles, or pustules around the mouth (see Figure 1), and in some cases involving the ...

Erythematous papules or nodules which over time evolve into plaques with underlying intercommunicating sinuses. Most often occurs on the scalp vertex or occiput. Perifollicular, comedonal papules ...