Ver el código de «Acne vulgaris»

==Background==
*Acne vulgaris is a chronic inflammatory skin condition affecting pilosebaceous units
*Most common skin condition in adolescents and young adults
*Pathogenesis involves follicular hyperkeratinization, increased sebum production, Cutibacterium acnes colonization, and inflammation

==Clinical Features==
*Open and closed comedones
*Inflammatory papules and pustules
*Nodules and cysts in severe cases
*Distribution: face, chest, back, shoulders

==Differential Diagnosis==
===Acneiform rash===
*[[Rosacea]]
*[[Folliculitis]]
*Drug-induced acne

==Evaluation==
*Clinical diagnosis based on morphology and distribution
*Grade severity: mild (comedonal), moderate (papulopustular), severe (nodulocystic)

==Management==
===Antibiotic Dosing===
====Adult====
*{{AntibioticDose|drug=Doxycycline|dose=100mg PO daily|context=Severe acne vulgaris|disease=Acne vulgaris|population=Adult}}
====Pediatric====
*{{AntibioticDose|drug=Doxycycline|dose=>8 years old: weight <45kg: 2.2mg/kg/dose PO QD-BID; weight >45kg: adult dosing|context=Severe acne vulgaris|disease=Acne vulgaris|population=Pediatric}}

==Disposition==
*Outpatient management with dermatology follow-up
*Refer to dermatology for severe or refractory cases

==See Also==
*[[Rash]]

==External Links==

==References==
<references/>

[[Category:Dermatology]]