He might have chronic infection in maxillary or frontal sinuses which due to cough in the sinus may cause foul smell There is also possibility of infection in nose which due to infection is sore and causes bleeding.
You ENT specialist and take treatment..
Answered: Wed, 27 Apr 2011
I find this answer helpful
You found this answer helpful
Disclaimer: These answers are for your information only and not intended to replace your relationship with your treating physician.
This is a short, free answer.
For a more detailed, immediate answer, try our premium service [Sample answer]