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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Support resources for Walmart Store Card are available online at help.walmart.com. The information listed on that page can help if you need to update your account or have other questions about your bill or statement.Reach Walmart Store Card via phone at 800-966-6546.almart Store Card customers with an iPhone or iPad can install the Walmart Store Card for iOS app to login to their account via a mobile phone or tablet. There is no Walmart Store Card app for Android available.