Brief Answer:
As explained below.

Detailed Answer:
Hello, and welcome to 'Ask A Doctor'

Thanks for posting your query.
I have gone through your query. Bad smell can be due to infection or just poor oral hygiene. Do you have tooth ache or pus or bleeding from gums?

I would suggest you rinse your mouth with Listerine mouth wash after eating. Brush your teeth and clean tongue twice a day.
Drink lots of water. Dry mouth can also cause bad smell in mouth.

If you are having dental issues such as bleeding or infection it is best to visit a dentist personally for a detailed examination and treatment.

I hope this helps. Please feel free to discuss further if any.
Regards,

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Brief Answer:
As explained below.

Detailed Answer:
Hi,

Sorry for the delay.

Ok, you can use the Chlorhexidine Listerine mouthwash every time after eating and observe. Continue good dental hygiene such as brushing, flossing and cleaning your tongue twice daily.

If bad smell still persists, then it is best to visit a dentist and get a complete mouth scaling and polishing.

I hope this helps. Please feel free to discuss further if any.
Regards,

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