What Causes Skin Redness?

Contact Dermatitis

Contact dermatitis is a type of rash that causes the skin to become itchy and red as a result of direct contact with a certain substance. Although contact dermatitis is not a serious medical issue, it can cause an affected individual to experience pain and discomfort. Contact dermatitis is caused by direct contact with certain environmental factors and the immune system responses to it. The most common substances known to cause symptoms include scented soaps, certain cosmetics, fragrances, jewelry, certain skin products, and contact with specific plants. Contact dermatitis patients develop redness in the skin where the rash occurs because the immune system causes the blood vessels in the affected area to become dilated. The dilation of the blood vessels allows more blood to reach the surface of the skin, which produces a red hue. Additional symptoms of contact dermatitis include blisters, burning, skin cracking, scaling of the skin, and skin dryness.

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