What kind of illness did Nietzsche have?

Friedrich Nietzsche suffered from a variety of illnesses throughout his life, including migraines, epilepsy, and syphilis. His migraines were so severe that they often left him bedridden for days. He also experienced periods of depression and anxiety. In 1889, Nietzsche suffered a mental breakdown and was admitted to a psychiatric hospital. He was diagnosed with dementia paralytica, which is a progressive neurological disorder caused by syphilis. Nietzsche died in 1900 at the age of 55.