What are common symptoms of a brain aneurysm?

Varies: From nothing and only asymptomatic and found at death from anything else. Leak, and rupture and sudden death can occur. More commonly, severe headache when leaks are limited and survival.

Not good: 50 % of ruptured berry aneurysm patients do not make it alive to a hospital. Those that do well describe the "worst headache of their lives, " associated with a stiff neck, nausea and vomiting, severe malaise, confusion, delirium, and maybe visual problems depending on location of the aneurysm. This is a true medical emergency and requires intensive attention and perhaps surgery.