Hi, This Regarding My 32 Year-old Married Sister Health Concern.

hi, this regarding my 32 year-old married sister health concern. Some time she experienced paralysis like attack, due to which she do not have any body movements, which last not longer than 24 hrs. In such scenario she took potassium oral solution. i want to know further more about that condition what is potential diagnosis? and is there any permanent recovery possible.