The medical term for a brain aneurysm is a cerebral aneurysm or an intracranial aneurysm. Treating a small, unruptured aneurysm could actually cause more problems down the line. Treatment may be used to prevent a rupture if the aneurysm becomes large or you have symptoms. some may experience a sudden worsening of vision. Your healthcare provider may check it regularly. An unruptured brain aneurysm, also called a cerebral aneurysm is an aneurysm that has not yet ruptured. He may order tests that check the size of your aneurysm. Identification of the symptoms is only possible when there is a rupture. Symptoms of an unruptured brain aneurysm may include a localized headache, centered above and behind an eye. An unruptured brain aneurysm might cause no symptoms at all, especially if it is small. A brain aneurysm is a ballooning of a portion of a blood vessel in the brain. Also common are vision problems, such as double vision, blurred vision, a deficit of peripheral vision and photosensitivity. As many as 6.5 million people in the United States, or one in 50 people, have unruptured brain aneurysms and don’t know it! “An aneurysm can cause headaches,” says Farhan Siddiq, MD, a neurosurgeon with University of Missouri Health Care. An aneurysm that has not ruptured may not need to be treated. Symptoms Unruptured brain aneurysm symptoms may … If bleeding has occurred, your emergency care team will determine whether the cause is a ruptured aneurysm. But, a larger unruptured aneurysm in the brain might press the brain tissues and nerves and cause symptoms like a dilated pupil, double vision, or a change in vision. One of your pupils may become dilated or an eyelid might droop. You may also need treatment if you have a family history of ruptured aneurysms. It is not possible for a general physician to identify the presence of an unruptured brain aneurysm because it does not show any symptoms. In an unruptured aneurysm, symptoms occur when bulging or balloon-like structure protruding from blood vessel starts putting pressure on nerves and brain structures. Though a rupturing brain aneurysm causes a thunderclap headache that’s the worst imaginable, can an unruptured aneurysm actually cause any kind of headaches, and if so, how does this happen if it has not ruptured? But this depends on your health and the aneurysm. You should now know the symptoms and treatments for an unruptured aneurysm. Here are top 15 signs and symptoms that may point to a brain aneurysm: Vision disturbances. Unruptured brain aneurysm treatment Small aneurysms that haven’t ruptured and aren’t causing symptoms may not need treatment. If you show symptoms of an unruptured brain aneurysm — such as pain behind the eye, changes in vision or double vision — you will also undergo some tests to identify the offending aneurysm.