What Causes Bruises? Symptoms, Treatment & When to See a Doctor #3841016 (License: Personal Use)

This medical illustration depicts a contusion (bruise) on the dorsal forearm, characterized by localized purple-blue discoloration due to extravasated blood from damaged capillaries. The surrounding skin appears intact, indicating no open wound-common in blunt-force trauma. Such visuals help patients recognize normal bruising versus signs requiring medical evaluation.

Used on health education pages about injuries, first aid guides, dermatology resources, or symptom checkers; supports user intent to understand bruise appearance, causes, and when to seek care.