Welcome to HCM,
Symptoms wich you describe are suggestive of depression
hence this could be due to a Neurological disease.
Please visit Neurologist
again and if there is any organic causse take proper treatment and care.
It would be prudent if no organic cause is there to consult a Pschiatrist as she has sucidal ideation.
These diseases can be treated with good drugs please do not ignore and visit Psychiatrist
as soon as possible.
In such disease treatment is very long and patient may be reluctant to take medication.