You have a lot going on. If your administrator did fire you etc. then you could speak to a Union Rep or Solicitor. Someone can't be fired without warning, there is a Legal protocol. Also one can't be made redundant if the job remains. So unfair dismissal springs to mind.
You describe perimenopause symptoms. Some find it helpful to keep a mood/food/symptom diary.
Your first call should be to the GP nurse for a full blood count, including thyroid function and VitD levels. Then review your CV and see what your skill base is, relevant to your seizures. R these controlled?
most symptoms have been discussed, nowt is too much information! Browse round. Make notes.