👉 Hypoglossia is a condition in which the tongue is not able to produce saliva due to an obstruction or injury to the salivary gland. This can occur either because of a physical trauma, such as a fracture or injury, or it may be caused by hormonal changes, such as pregnancy, menopause, or thyroid disorders. In some cases, hypoglossia can also result from a medical condition that affects the salivary glands, such as diabetes or certain types of cancer