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HomeAnswersOtolaryngology (E.N.T)bad breathI have bad breath and taste in my mouth. Please help.

Can sinusitis cause bad breath?


The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Medically reviewed by

iCliniq medical review team

Published At March 10, 2017
Reviewed AtFebruary 15, 2024

Patient's Query

Hi doctor,

I have a persistent bad breath and bad taste in my mouth. I have excellent oral hygiene, and my dentist said my teeth and gums are all healthy. My doctor said that it could be sinus drainage, but I have dealt with this for years even when I have no drainage. It is ruining my personal life with my wife and my social life as well. Please help.

Answered by Dr. Mehak Agarwal


Welcome to icliniq.com.

Did you get any CT scan of your sinuses done before to rule out sinusitis? Yes, sinusitis can cause such symptoms and to rule out that a CT scan is needed. Sinusitis also does nose block, headache, and post-nasal drip. So if you have any of these symptoms, then it can be due to sinusitis. Have you tried mouth gargles for the same symptoms? If not, then you can use mouth gargles as that will help. Also, tonsillitis causes such symptoms. Kindly send me a picture of your throat and oral cavity.

The Probable causes

Sinusitis or tonsillitis.

Investigations to be done

CT scan of paranasal sinuses (plain).

Regarding follow up

Revert with the report to an ENT otolaryngologist online.---> https://www.icliniq.com/ask-a-doctor-online/ENT-otolaryngologist

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Mehak Agarwal
Dr. Mehak Agarwal

Otolaryngology (E.N.T)

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