What is 'COVID tongue'?

'COVID tongue' refers to changes in the appearance and sensation of the tongue experienced by some people with COVID-19. This can include sores, swelling, a coated appearance, discoloration, and changes in taste.

Are tongue sores a common symptom of COVID-19?

Tongue sores are not among the most common symptoms of COVID-19, but they have been reported by some patients. They are more likely to occur in severe cases or in individuals with weakened immune systems.

Can COVID-19 cause a white coating on the tongue?

Yes, COVID-19 can cause a white coating on the tongue. This may be due to the virus itself, the body's inflammatory response, or a secondary fungal infection like oral thrush.

How long do COVID-19 tongue symptoms last?

The duration of COVID-19 tongue symptoms varies. Some people recover within a few days to a week, while others may experience symptoms for longer, especially if there is a secondary infection. Consult a doctor if symptoms persist.

Can COVID-19 cause oral thrush?

Yes, COVID-19 can increase the risk of oral thrush, a fungal infection caused by Candida yeast. This can happen due to a weakened immune system, the use of antibiotics or corticosteroids, or poor oral hygiene during illness.

COVID-19 Symptom: Tongue Sores and Changes | Causes, Treatment & FAQ

Overview

Some people with COVID-19 experience changes in the appearance and sensation of their tongue, which is sometimes referred to as 'COVID tongue.' This can include sores, swelling, and a coated appearance.

Symptoms

A swollen tongue, discoloration, patchy or white coating, red or painful bumps on the tongue, and changes in the sense of taste.

Causes

This is likely due to the virus's effect on the cells of the oral cavity and the body's inflammatory response. It can also be caused by a secondary fungal or bacterial infection (like oral thrush).

Treatment

Good oral hygiene, staying hydrated, and using a soft toothbrush can help. If the cause is a fungal infection, antifungal medication may be needed.

When to See a Doctor

Consult a doctor or dentist if you have significant mouth pain, sores that don't heal, or if the tongue changes are accompanied by other concerning symptoms.