what would an allergic reaction be on the tongue
A swollen tongue may be a symptom of a disease or medical condition, such as: Down syndrome; tongue cancer; Beckwith-Wiedemann syndrome; an overactive thyroid; leukemia; strep throat; anemia; When the tongue swells very suddenly, the likely reason is an allergic reaction. This can result in difficulty breathing. Difficulty breathing due to tongue swelling is a medical emergency. If this occurs, you should get medical help right away.