Macules may develop as a result of cystic or otherwise severe acne. They occur after a pimple or cyst has healed, and may remain for up to six months. They are sometimes known in such cases as "pseudo-scars", but unlike true scars they are not permanent.
How are macules formed?
Macules can be caused by various conditions that affect the appearance of your skin, resulting in areas of discoloration. Conditions that are likely to cause macules are: vitiligo. moles.
Where do macules occur?
Macules can be seen on any part of the body, but are most frequently found on the chest, back, face, and arms. They may be hypopigmented (lighter than the surrounding skin), hyperpigmented (darker than the surrounding skins), or appear pink or red.