![]() ![]() However, in many cases, this disorder is due to alterations in the quality of saliva, while the quantity of saliva does not vary much. ![]() In this condition, the tongue may start to appear white and patchy. COVID tongue is often accompanied by a change to the tongue’s sensation, as well as muscle pain while chewing due to persistent ulcers. Like dry mouth, another symptom of dry tongue - now also known as COVID tongue - is a manifestation when the body fails to produce saliva that protects your mouth from bad bacteria. ACE2 is a protein that provides the entry point for the coronavirus to hook into and infect a wide range of human cells,” mentioned Dr Shah. “Research has shown that other than the common organs, ACE2 or angiotensin-converting enzyme 2 exists in various oral mucosal tissues, so, the oral cavity is considered a potential route for the entry of the COVID-19 virus. However, in recent times, there have been a number of cases of dry mouth related to COVID-19, which has caught the attention of researchers. The other most common causes of dry mouth include drugs, type 1 diabetes, hyperthyroidism, autoimmune diseases, renal failure, vitamin deficiencies, and other viral infections. As per studies, Xerostomia happens when the virus attacks the oral linings and muscle fibres,” said Dr Samrat Shah, consultant internist at Bhatia Hospital, Mumbai. The patient may feel dryness or stickiness in the mouth and the saliva may become thicker. “In a dry mouth, the body is unable to produce saliva which protects the mouth from bad bacteria, other pathogens and aids the process of digestion. Patients may develop this condition even a few days ahead of fever, sore throat, or other known or associated symptoms. One of them is dry mouth, also known as Xerostomia, which could be the initial presentation of COVID 19. The latest report by the National Institute of Health mentions that about half of the patients have these symptoms. Of late, there have been cases where patients have experienced newer symptoms after being infected with the coronavirus. As the Covid-19 pandemic continues to cause unprecedented damage to lives across the world, scientists are still learning about the various symptoms of the viral infection. ![]()
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