II. Causes
-
Adrenal Insufficiency
- May be associated with Candidiasis in autoimmune polyendocrinopathy-Candidiasis-ectodermal dystrophy syndrome
- Darker pigmentation related to ethnicity
- Tobacco abuse
- Medication Causes of Hyperpigmentation
- Neurofibromatosis 1
- McCune-Albright Syndrome
- Peutz-Jeghers Syndrome