Mysister Is A 79yrs Old Diabetic ,recently Started Suffering With

Mysister is a 79yrs old diabetic ,recently started suffering with body pains &swelling finger joints and severe pain in her left arm &shoulder, followed by what appears to be myoclonic facial & complete body jerks, every minute. Her suger levels are normal at present, she can stand up but unable to walk, please advise,,,thanks and may God Bless you...