question: My son lives in key west florida,he has had a lot of trouble with his wisdom teetChatDoctoring in causeing a lot of pressure .2 weeks ago he had a sore come up in his mouth then it went away.today he called me and he said he is walking like a drunk person and has a hard time concentrating.could he have encephalitis? He is homeless but a vet He said he had a lot of pressure in his head.