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).
Certain skin conditions may cause tongue inflammation. Oral lichen planus is an inflammatory disease causing sores, swelling, and redness. Syphilis is a sexually transmitted infection that can present as a body rash. Pemphigus is an autoimmune disease that causes skin blistering.