A hypertrophic scar is a thickened, wide, often raised scar that develops where skin is injured. Scars are common during the wound healing process, but a hypertrophic scar is a result of an abnormal response to a trauma or injury.

In certain people, body cells called myofibroblasts produce too much collagen during healing. This can happen simply as a result of a person’s skin type and healing tendencies. More commonly, overproduction of collagen occurs when a wound is infected or inflamed, under a great deal of tension or motion (such as in injuries over a joint), or left to heal without stitches.

The scars are a frequent complication of burn injuries, but can also form after piercings, cuts, or even acne. Hypertrophic scars are similar to keloid scars but tend to be milder and don’t grow beyond the boundaries of the original skin injury.

The scars aren’t dangerous or life-threatening. They can be itchy and painful, but more often are simply a cosmetic issue. Some people seek treatment to minimize the appearance of the scar. There isn’t an officially established treatment regimen for hypertrophic scars, but a variety of treatments can help get rid of the scar more quickly.


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