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).
1 Medical illness. 2  Very slow swelling of the tongue over weeks or months can occur in a condition called amyloid, a disease in which harmful amyloid proteins are deposited into tissues and organs.  3 With [amyloid], the tongue gets bigger and bigger over time, says Feldweg. 4  Irritants and trauma. In addition to allergic reactions to medications, allergic reactions to other substances â such as foods or bee stings â can cause swelling. 2  In food allergies and bee sting allergies, the tongue can swell, but it is less common to have a swollen tongue than it is to have a swollen throat or lips. 3  Infection.