Welcome new members, @basienka88 @dailysufferer @marci1117 @johnboade and @newports10. Such a frustrating unsolved issue. I'm sure most of you have googled the issue and the articles like this one provide nothing you haven't investigated. But just in case, allow me to post it here:
- Feces Odor on Breath: What It Means and What You Can Do https://www.healthline.com/health/breath-smells-like-poop

@catt8722 the article seems to verify what your doctor told you that bad breath comes from either gums, sinus/nasal passages or the GI tract/stomach. Here is additional information about amylase testing https://labtestsonline.org/tests/amylase

Thank you for keeping the group posted about your upcoming teleconsult appointment with the gastroenterologist. It sounds like the bad breath and your persistence in finding answers may help to solve a hidden issue with the pancreas. Telemedicine is becoming the norm these days. You may appreciate these tips from fellow members on how to make the most of your phone consult.

– Telemedicine: How to make the most of a virtual doctor visit https://connect.mayoclinic.org/discussion/covid-19-telemedicine-its-a-brave-new-world/