Conversation: The conversation between human and AI assistant.
[|Human|] HI I HAVE A 73 YEAR OLD GRANDFATHER, WHO HAS A ROTTEN SMELL PROTUDING FROM HIS NASAL CAVITY.AS WELL AS A VERY BAD TASTE IN HIS MOUTH . HE IS LETHARGIC MORESO THAN USUAL TODAY ALTHOUGH HE WORKS THIRD SHIFT AND DOESNT ALWAYS SLEEP WELL AT NIGHT, I AM VERY CONCERNED FOR HIM. AT FIRST HE PUSHED IT OFF AS HE IS DEVELPING GINGIVITIS, NOW HE IS C/O SINUS ACTING UP AND STATES HE HAS TO BLOW HIS NOSE JUST TO BREATHE. I AM VERY WORRIED AND HAVE ADVISED HIM TO GO TO HIS PRIMARY CARE DR ASAP! PLZ GIVE ME SOME INSIGHT AS TO WHAT THIS ISSUE MIGHT BE, DOES HE NEED TO GO TO THE ER?
[|AI|]  Hello, Welcome Thanks for consulting Chat Doctor, I have gone through your query, as you have said that you have your grandfather old aged he has bad taste bad breathe, it can be due to not able to maintain good hygiene, so you can help him in doing Brush twice daily, and Mouthwash chlorhexidine twice daily, Do warm saline Gargle two - three times a day, For sinus problem you should go and consult ENT surgeon, get proper medication, Hope this will help you.  Wish him good health.