At times I did have a metal taste in my mouth. In the beginning I had gotten 3 new crowns. My burning started after that. I tested for allergies and was allergic to a material used with crowns. I replaced the 3 crowns only dentist still used material I was allergic to. I continued to burn so I had all 3 crowns replaced again. I kept burning. I then had a root canal and was told I did need the root canal after being told for 3 years I did not. Burning continued. I decided to have the burning tooth pulled and sent for analysis. I had 12 different kinds of bacteria. Took antibiotics. Burning continued. I fought hard to find answers. Finally a Dr at emergency room got my burning to stop and that’s when I got the esophagus scope at her recommendation. I did find that gabapentin increased the burning. Pregabalin caused other burning at other areas on body. Pain pills worked to reduce the hot burning but that only lasted so long. You might talk to your dr about trying a reflux treatment with PPI and coating esophagus with sucralfate just to see if after 30 to 45 days you see improvement or ask Dr about trying Pepsid complete chewable tablets OTC. My family Dr had no faith that treating reflux would stop my burning but he is happy it did work. The metal taste in mouth is the worst. Have you had any new dental work done? I read every article I could find trying to find answers. Good luck!

There is always hope! My neurologist asked me if I ever prayed and I told him I prayed all the time. I asked god to
Lead me to answers on how I can stop my burning mouth and I read every article I could find. Dry mouth can cause a metal taste.

Nasal drainage can cause a metal taste in your mouth. Have you tried taking Benadryl or using a nasal antihistamine spray for allergy or nasal drainage?