Two of the most common skin conditions are the presence of moles and dermatitis. Moles can have more serious consequences than the irritation of dermatitis.

Moles occur when the cells in the skin that give it its pigment, called melanocytes, grow in clusters. These cells normally grow throughout the skin, but when too many grow in the same place a mole occurs. Most moles appear before the age of 25, but some may appear much later. Moles can remain static or change over time. Although most are not dangerous, some can be malignant and lead to melanoma. Any mole that oozes or becomes painful or sensitive should be checked out by a dermatologist. Moles that suddenly appear after the age of 25 or begin to change or grow should also be evaluated.

When evaluating your moles, keep the following in mind. Moles should be round. If your moles are asymmetrical, or irregular in shape, have it evaluated. If you find a mole that is larger than