Medically reviewed by Edmund Khoo, DDS An unhealthy tongue may look red, smooth, or black. Other signs of tongue health ...

Medically reviewed by Michael Menna, DO COVID tongue is not extremely common, but it can happen. It describes symptoms like ...

Signs like a red, smooth, black, or sore tongue and bumps or soreness may be signs of several infections and illnesses. Consult a healthcare provider if you notice your tongue is not its normal ...

It describes symptoms like glossitis (a red and swollen tongue) that occur with COVID-19. You may also notice bumps on the back of your tongue, sores that appear on the side, or a white coating.