Milia in Adult
Primary milia affect 40%-50% of newborns but may be found in patients of all ages.
Secondary milia often occur after cosmetic procedures (dermabrasion, chemical peels, ablative laser therapy) or trauma, or in conjunction with a number of blistering disorders. Milia may occur in tattoos. Patients with skin phototypes IV through VI tend to be more likely to develop milia as sequelae of chemical peels. Blistering disorders that may heal with milia and scarring include epidermolysis bullosa acquisita; porphyrias, including porphyria cutanea tarda; bullous pemphigoid; herpes zoster; contact dermatitis (allergic, irritant); bullous lupus erythematosus; and dermatitis herpetiformis. Milia have also been known to occur in areas of topical steroid-induced atrophy. Persistent or widespread milia are associated with a number of syndromes (see Differential Diagnosis & Pitfalls).
Milia en plaque refers to a rare entity that typically occurs in the periauricular area.
L72.8 – Other follicular cysts of the skin and subcutaneous tissue
254679001 – Milia
Differential Diagnosis & Pitfalls
Drug Reaction Data