Result of atherosclerotic plaque blocking one or more of the blood vessels that supply the heart. Can cause chest pain/angina pectoris occurring due to stress of exercise. If blockage completely impedes blood flow to the heart, a heart attack can occur.
It can be caused by insect stings, food, or medicines. It's caused by the release of histamine into your bloodstream and tissues. Histamine is an immune system chemical. Tongue or throat swelling can happen along with an allergic rash (hives), wheezing, diarrhea, and shock (low blood pressure).
Anxiety may also be the cause. You'd be surprised how many people experience swollen tongue as a result of anxiety. Take my 7 minute anxiety test to find out how your anxiety compares to others and whether swollen tongue may be one of those symptoms. Click here to take the test.