Thanks for the query to H.C.M. Forum.
Since , how many days , you are having HALITOSIS
( bad breath
) , please mention it .
Are you taking these medicines for bad smell ?
There are so many reasons of bad smell .
Is this ( bad smell ) from nose or mouth?
Distinguishing an oral from a nasal source is accomplished by pinching the nose while exhaling through the mouth and closing the mouth while exhaling through nose.
Few causes are ,
caries & acute forms of gingivitis
,poorly fittings dentures ,oral abscess
Consult a physician / psychiatrist
and get their opinion.