<unk> s are a group of dermatoses including acne vulgaris, rosacea, folliculitis, and perioral dermatitis. Restated,<unk> s are follicular eruptions characterized by papules and pustules resembling acne. The hybrid term<unk> , literally, refers to an appearance similar to acne. The terminology used in this field can be complex, and occasionally contradictory. Some sources consider acne vulgaris part of the differential diagnosis for an<unk> . Other sources classified acne vulgaris under<unk> . MeSH explicitly excludes perioral dermatitis from the category of<unk> s", though it does group<unk> s and perioral dermatitis together under "facial dermatoses".
Acneiform eruption
Lichenoid eruption
Polymorphous light eruption
Pachyderma
Ichthyosis acquisita
Prurigo simplex
Exudative hyponychial dermatitis
Granulomatous facial dermatitis