What Treatment To Be Taken For The Throat Infection For Paralysed Person?

hi doctor, my mother had a paralysis attack , about one and half month ago he was not able to talk and we understand him , and his moment of left hand and left foot was zero at present he can talk 85% understandable and couple of days she is very suffering from the problem in mouth she says in throat some problem is there, he is diabetic and has blood pressure please advise, what to do next