Sweet taste: Constant sweet taste in your mouth, is possible if you have taste impairment. It means there’s a problem with your ability to taste. Nasal infection, cold, or flu. Vitamin B12 or zinc deficiency, swollen gums, certain medications you are taking, a side effect of smoking pipes, exposure to some chemicals etc. Sarcoidosis usually causes metallic taste.
Answered 2/10/2021
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