what are causes of swelling of my tongue?
Swollen Tongue: Symptoms & Signs An enlarged or swollen tongue can also occur as an allergic reaction to medications or other substances. In this case, the swelling is due to fluid accumulation in the tissues of the tongue, medically known as angioedema. A dramatically swollen tongue can lead to breathing problems and may be a medical emergency. Treatment of allergic reactions that include swollen tongue can include epinephrine, antihistamines, and/or steroid medications.