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Abrasion: Causes, Symptoms & Treatment

An abrasion is a superficial skin wound caused by friction or scraping against a rough surface. It typically affects only the outer skin layers and heals well with proper care.

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Things worth knowing about "Abrasion"

An abrasion is a superficial skin wound caused by friction or scraping against a rough surface. It typically affects only the outer skin layers and heals well with proper care.

What is an Abrasion?

An abrasion (also called a graze or scrape; medically known as excoriation or abrasio) is a superficial wound that occurs when the skin is scraped or rubbed against a rough or hard surface. This removes the outermost layers of the skin – the epidermis and sometimes parts of the dermis. Common examples include injuries from falls on asphalt or gravel, such as those occurring during cycling, skateboarding, or other sports activities.

Causes

Abrasions are most commonly caused by:

Falls on rough or hard surfaces (e.g., asphalt, gravel, concrete)
Sports accidents (cycling, running, rollerblading, skateboarding)
Friction injuries from tight or chafing clothing
Workplace accidents involving contact with rough materials
Playground injuries in children

Symptoms

Typical signs of an abrasion include:

Pain and burning at the injury site – often more intense than with deeper wounds due to exposed nerve endings
Red, irritated wound surface that may ooze serum or blood
Minor bleeding or discharge of wound fluid
Presence of dirt or foreign particles in the wound (e.g., sand, grit, soil)
Later formation of a scab as part of the natural healing process

Diagnosis

Abrasions are typically diagnosed through a straightforward clinical examination. A healthcare professional will assess:

The depth and extent of the injury
The presence of foreign bodies in the wound
Signs of infection (redness, swelling, pus, warmth)
The need for a tetanus booster vaccination

Medical evaluation is recommended for deep or heavily contaminated wounds, injuries near joints or the face, or when infection is suspected.

Treatment

First Aid and Self-Care

Most abrasions can be effectively managed at home:

Clean the wound: Gently rinse the area with clean, lukewarm water or an isotonic saline solution to remove debris.
Remove foreign bodies: Use sterile tweezers or running water to remove sand, grit, or dirt from the wound.
Disinfect: Apply a suitable wound antiseptic (e.g., based on octenidine or polihexanide) to reduce the risk of infection.
Cover the wound: Apply a moist wound dressing (e.g., hydrocolloid dressing) to support moist wound healing and protect the area.
Monitor for infection: Check the wound regularly and change the dressing as needed.

Medical Treatment

Seek medical attention if:

The wound is deep and may require sutures
Heavy contamination cannot be fully removed
Signs of infection develop (pus, severe redness, fever)
Tetanus vaccination status is incomplete or unclear
The patient has diabetes or a compromised immune system

Wound Healing and Prognosis

Superficial abrasions typically heal within 1 to 2 weeks with appropriate care. Natural wound healing progresses through several phases: hemostasis, inflammation, granulation, and re-epithelialization. Moist wound management promotes faster and scar-free healing. Larger or deeper abrasions may occasionally result in mild scarring or changes in skin pigmentation.

References

World Health Organization (WHO): First Aid – Guidelines for Wound Care and Injury Management. WHO Press, Geneva.
Dissemond, J. et al.: Modern Wound Care – Practical Knowledge for Physicians and Nursing Professionals. Springer Medizin Verlag, 2022.
Singer, A.J. & Dagum, A.B.: Current management of acute cutaneous wounds. New England Journal of Medicine, 359(10), 1037–1046, 2008.

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