Darkening Of Freckles, Nipples, Scars, Skin Creases, Gums, Mouth, Nail Beds, And Vaginal Lining Medical Conditions

Below is a list of potential medical conditions this symptom could be a sign of.


Addison's Disease

Addison's disease is a rare disorder of the adrenal glands. In the case of Addision's, the glands do not produce enough of the hormones cortisol and aldosterone...What is Addison's Disease?