Chronic Subdural Hematoma

When old blood gradually builds up between the brain and its covering (dura), it can result in a chronic subdural hematoma. It usually develops weeks after a minor head injury—often so mild people forget it happened. The brain is compressed as the blood gradually accumulates, which can cause headaches, disorientation, weakness, or imbalance. Fortunately, most people recover well with prompt diagnosis and contemporary minimally invasive treatments.

Why Does It Happen?

• Sometimes there is no obvious reason

• Alcohol overuse leading to brain shrinkage

• Blood thinners increasing the bleeding tendency

• Brain shrinkage (age-related) stretching the veins

• Torn tiny veins following a minor injury between the brain and dura

When to Seek Medical Help

• Sudden confusion

• Weakness or imbalance

• A new, ongoing headache

• Elderly patients or people on blood thinners

• Head injury history combined with new symptoms