As the Alzheimer's victims mind continues to slip away, the patient may invent words and not recognize familiar faces. The very essence of the person is vanishing. Memory is now very poor and no one is recognizable. Patients lose bowel and bladder control, and eventually need constant care. They become vulnerable to pneumonia, infection and other illnesses.
Respiratory problems worsen, particularly when the patient becomes bedridden.
This terminal stage eventually leads to death.