Itching all over the body and pain in the heart after being stung by a bee, consider it to be related to allergy and also find out if it is related to the primary disease. 1. Allergic reaction: Bees may produce or store venom, which contains many toxins. When stung by a bee, the venomous stinger penetrates the skin and may inject the virus into the body, which may easily cause an allergic reaction, leading to itching all over the body and itching on the chest. If you repeatedly scratch with your hands, it may lead to heartburn. 2. Primary diseases: Being stung by bees to the whole body itching, heart pain, but also to understand whether it is related to primary diseases, such as cardiac ischemia, myocarditis, coronary artery disease, chronic gastritis, gastric ulcer, gastroesophageal reflux, which may cause discomfort in the chest and so on. Due to the proximity to the heart, patients may experience symptoms such as heartburn, chest tightness, and shortness of breath. If it is accompanied by allergy symptoms, the person may feel pain in the heart and itching all over the body. Being stung by bees with itching all over the body and pain in the heart and mouth, it is recommended to go to the dermatology department of the hospital for examination, and if necessary, give antihistamines, such as loratadine and cetirizine, for treatment. If accompanied by other diseases, but also for the primary disease treatment. Drugs need to be used according to medical advice.