Other than that there are many reasons for a foul taste
in mouth such as medications, infection of gums or cavities
in teeth, post nasal drip as
in sinusitis, salivary glands infection, pharyngitis or strep infection, dentures and artificial tooth or filling of dental cavities, Sjogren’s syndrome and copper or lead toxicity, poor oral hygiene, diabetes, liver problems, vitamin B12 deficiency, and over consumption of fluoride which is commonly present in certain mouthwashes and toothpastes , cer