White Tongue. A white coating occurs when the tiny bumps on the tongue, known as papillae, become inflamed. Inflammation usually happens because of dehydration, fever, mouth breathing or smoking. Food debris, bacteria and dead cells then get lodged between the swollen papillae and create the white coating.
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Nov 19, 2015. The only way to close your account is to call Walmart Credit Services at 1-877-969-3668 but take into account that this card doesn't have an annual fee and unless you carry a balance, you don't have to pay anything for it. Also, keeping your account active can help boosting your credit score.