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).
Causes of Cracked Tongue. 1  Injury or Trauma. 2  Your tongue may develop fissures if you are constantly brushing the lateral borders or dorsal surface of the tongue. 3  Eating or exposure to a broken tooth may also cause constant friction on the tongue that could cause cracking for fissures.