what causes bleeding on brain
In elderly individuals, amyloid protein deposits along the blood vessels can cause the vessel wall to weaken leading to a hemorrhagic stroke. Cocaine or drug abuse can weaken blood vessels and lead to bleeding in the brain. Some prescription drugs can also increase the risk of brain hemorrhage.
Causes of brain hemorrhage include high blood pressure, abnormally weak blood vessels that leak, drug abuse, and trauma. Many people who experience a brain hemorrhage have symptoms as though they are having a stroke, and can develop weakness on one side of their body, difficulty speaking, or a sense of numbness. Difficulty performing usual activities, including problems with walking or even falling, are not uncommon symptoms.
Brain hemorrhage is often labeled according to precisely where it occurs in the brain. In general, bleeding anywhere inside of the skull is called an intracranial hemorrhage. Bleeding within the brain itself is known as an intracerebral hemorrhage. Bleeding can also occur between the covering of the brain and the brain tissue itself, referred to as a subarachnoid hemorrhage. If a blood clot occurs between the skull and the brain, it is known as either a subdural or epidural hematoma depending on whether it is below or above the tough covering (dura) of the brain.