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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Dark Green Coating In Tongue With A Bad Taste?

I have been experiencing a bad taste in my mouth over the last few weeks. i go to the dentist regularly and had my teeth checked and cleaned about two months ago and my teeth are good . I noticed today upon scraping my tongue, there is a very dark green coating towards the back of my tongue. I scraped it twice about 2 hrs apart and it was there twice. There weren t any foods or drinks which correlated. (all I had was a BLT at about 2 hrs prior to the finding, and after brushing my teeth) any idea what this could be? I do have chronic sinusitis? Im thinking maybe sinus infection?
Wed, 29 Jun 2022
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Cardiologist 's  Response
Hello,

Your symptoms could be related to a bacterial infection or to gastro-esophageal reflux. Do you have heartburn? I recommend performing a tongue and throat bacterial culture first. If this results normal, I recommend performing a fibrogastroscopy and checking for helicobacter pylori.

Take care. Hope I have answered your question. Let me know if I can assist you further.

Regards,
Dr. Ilir Sharka, Cardiologist
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What Causes Dark Green Coating In Tongue With A Bad Taste?

Hello, Your symptoms could be related to a bacterial infection or to gastro-esophageal reflux. Do you have heartburn? I recommend performing a tongue and throat bacterial culture first. If this results normal, I recommend performing a fibrogastroscopy and checking for helicobacter pylori. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Ilir Sharka, Cardiologist