Hello ma'am,
Halitosis normally has a multiple reasons. If common methods such as regularly cleaning your teeth and tongue and using mouthwashes is not helping you then please do visit me. Halitosis can also be due underlying systematic conditions or underlying diseases in your body. Please do get it checked and you should be alright soon.
Next Steps
Visit a Periodontist. get a routine cleaning or scaling done. you can visit me at the hospital or any of our other clinics.