<unk>  refers to a group of dermatoses including acne vulgaris, rosacea, folliculitis, and perioral dermatitis.
Restated,<unk> s are follicular<unk> s characterized by papules and pustules resembling acne.
The 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
Polymorphous light eruption
Erythroderma
Alopecia mucinosa
Granuloma faciale
Ichthyosis bullosa of Siemens
Xanthelasma
Ichthyosis vulgaris