It is replaced by hyperpigmentation which is commonly treated with a topical bleaching cream. It is not uncommon for the hyperpigmentation to last 3-9 months. Other pigmentary abnormalities can be noted including hypopigmentation and patchy pigmentation. Scarring is rare but is known to occur at the jaw line and in areas of scabbing. This can occasionally be treated with topical or subcutaneous steroid injections.
Infection is rare but can be significant and severe.