A brain aneurysm is a bulging area within the wall of an artery that supplies the brain. In most cases, brain aneurysms do not produce symptoms. In some cases, the aneurysm may cause symptoms by pushing on other areas of the brain. Depending on the size of the aneurysm and the area involved, these symptoms can include
When a brain aneurysm ruptures, there is bleeding within the brain. Symptoms of a ruptured brain aneurysm come on suddenly and include a severe, sudden headache that is different from other headaches an individual has experienced. Other symptoms of rupture are
- neck pain,
- sensitivity to light,
- dizziness, and
- loss of consciousness.
A brain aneurysm is also known as a cerebral aneurysm or a cerebral artery aneurysm.
Causes of brain aneurysms
Many different conditions can cause aneurysms. In some cases, no cause can be identified. Other cases are caused by high blood pressure and atherosclerosis, trauma, heredity, and abnormal blood flow. Less common causes include infections of the artery wall. Tumors can also cause aneurysms to form. Drug abuse, especially cocaine, can cause weakening and inflammation of artery walls, increasing the risk of aneurysm.
Other brain aneurysm symptoms and signs
- Blurred Vision
- Loss of Consciousness
- Neck Pain
- Sensitivity to Light
- Speech Changes
- Vision Disturbances
Main Article on Brain Aneurysm Symptoms and Signs
Pictures, Images, Illustrations & Quizzes
10 Facts About the Amazing Brain Quiz
Take this brain quiz to learn about your amazing brain! It's the most complex part of your body, and is responsible for many...
Picture of Brain
The brain is one of the largest and most complex organs in the human body. See a picture of the Brain and learn more about the...
Picture of Brain Layers
That part of the central nervous system that is located within the cranium (skull). See a picture of Brain Layers and learn more...
Teen Drug Abuse: Warning Signs, Statistics, and Facts
Teen drug abuse is a growing concern today. Learn statistics, facts, warning signs, and effects related to teen substance abuse...
What Is High Blood Pressure (Hypertension)? Symptoms, Treatments
What causes high blood pressure (hypertension)? What is normal blood pressure? Know the warning signs and symptoms of high blood...
Brain and Nervous System Resources
Subscribe to MedicineNet's General Health Newsletter