Medically reviewed by Jordana Haber Hazan, MD Key Takeaways Internal bleeding can cause severe pain, dizziness, and swelling.Trauma is a common cause of internal bleeding and includes injuries like ...

Bleeding occurs when trauma damages a blood vessel. When that trauma involves your head—whether the scalp, skull, or brain—it’s considered a head injury. These head injuries range in severity from a ...

Your body manages bleeding through a delicate balance, which allows you to clot blood only when you need it, says Fadi Abu-Shahin, MD, a hematologist-oncologist at Houston Methodist Willowbrook ...