Acne Eczema


Acne

Acne eruptions are caused by problems with the skin's normal processes. Pimples begin in the skin's hair follicles, which are connected to oil-producing glands. Normally the oil flows out of the hair follicle the the skin's surface, carrying with it dead skin cells from the follicle lining. During puberty, however, male sex hormones (which are produced by both sexes) stimulate increased oil production. In acne, the excess oil combines with the dead skin cells, hair fragments, and bacteria to form plugs that block the follicle pore. Once the plug forms, it may be pushed to the skin surface and protrude slightly to form a blackhead. Dirt does not cause blackheads. Their dark color comes from skin pigment mixed into the plug debris. If the plug doesn't reach the skin's surface but continues to grow in the follicle, it can rupture the follicle wall, discharging its mixture of oil, bacteria, and dead cells into the surrounding tissue and causing a minor infection. The result is a white-headed acne pimple.


Eczema

Eczema is an allergic inflammation of the skin. It commonly occurs in skin forlds such as the elbows and knees. In many cases the causes of eczema are not known although stress, food sensitivity, excessive dry or humid climates and inheritance seem to play a role.





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Last updated Jul 12, 1996
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