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Abrasion (medicine)

life science Maturity 11-13 Next article →

An abrasion is a type of wound on the skin.

Wound abrasion arm
Wound abrasion arm

It happens when skin rubs against a rough surface. This movement can grind away the top layers of the skin. Most abrasions do not cause much bleeding. These injuries are common when we move against things like concrete. Understanding how they work helps us take better care of our bodies.

How an abrasion works depends on how deep it goes. A first-degree abrasion only hits the epidermis. The epidermis is the very top layer of skin. A second-degree abrasion goes deeper into the dermis. The dermis is the layer under the top layer. These might bleed a little bit. A third-degree abrasion is much more serious. It damages the skin and the subcutaneous layer underneath.

Doctors and experts use different names for these wounds. A mild abrasion is often called a graze or a scrape. These do not leave a scar because the dermis stays intact. A very bad wound is called an avulsion. An avulsion is a traumatic abrasion that removes all layers of skin.

This type of injury is much more severe than a simple scrape. Different depths change how the body heals.

There are specific ways to treat these skin injuries. First, you must clean the wound well. You should remove any dirt or debris from the area. Applying a topical antibiotic like neomycin or bacitracin helps. These medicines prevent infection and keep the area moist. A dressing is also very helpful for healing. It stops the wound from drying out too much.

You should also keep the wound out of the sun. Sunlight can cause permanent dark spots called hyperpigmentation.

Taking care of an abrasion is like helping a garden grow. You must clear away the weeds, which are the dirt and debris. Then, you provide the right environment to help things thrive. Keeping the area moist is like giving a plant water. If the wound is very painful, doctors may use medicine. They might use lidocaine or benzocaine for small spots. For large wounds, a systemic analgesic may be needed.

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File:Wound abrasion arm.jpg
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