What causes left-sided chest pain?
Sep 13, 2023
Source: Cainiu Health
Dr. Guo Xiheng
Introduction
In general, left-sided chest pain may be caused by factors such as intercostal neuralgia, herpes zoster, pleurisy, coronary atherosclerotic heart disease, or myocardial ischemia. Patients are advised to undergo symptomatic treatment as directed by a physician. In addition, congenital heart disease may also cause left-sided chest pain. It is recommended that patients seek medical evaluation to determine the underlying cause and actively cooperate with their doctor's treatment plan.
Generally, left-sided chest pain may be caused by intercostal neuralgia, herpes zoster, pleurisy, coronary atherosclerotic heart disease, myocardial ischemia, and other factors. Patients are advised to follow medical guidance for symptomatic treatment. Specific analyses are as follows:
1. Intercostal Neuralgia
Intercostal neuralgia may result from inflammation of the intercostal nerves, nerve compression, trauma, or viral infection. The intercostal nerves originate between the first thoracic vertebra (T1) and the twelfth thoracic vertebra (T12). Pain arising from any single intercostal nerve along this region is referred to as intercostal neuralgia. When neuralgia occurs in the intercostal nerves located between the upper thoracic vertebrae, it may cause pain in the left chest area. Patients can take medications such as carbamazepine tablets or gabapentin tablets under the guidance of a physician.
2. Herpes Zoster
Herpes zoster is a skin condition affecting nerves and skin caused by the varicella-zoster virus. It may also lead to left-sided chest pain, often accompanied by symptoms such as itching. If the pain is mild, symptoms may be alleviated by distraction techniques, adjusting sleep schedules, and ensuring adequate rest. For severe pain, oral medications such as gabapentin capsules or pregabalin capsules may be prescribed under medical supervision.
3. Pleurisy
Pleurisy (also known as pleuritis) refers to inflammation of the pleura due to viral or bacterial irritation. It is classified into exudative pleurisy and dry pleurisy, characterized by the presence or absence of fluid accumulation in the pleural cavity. Common symptoms include chest pain (on either side), coughing, chest tightness, shortness of breath, and, in severe cases, difficulty breathing. Patients are advised to take medications such as hydrocortisone tablets or prednisolone tablets as directed by their physician.
4. Coronary Atherosclerotic Heart Disease
Coronary atherosclerotic heart disease occurs when the coronary arteries become narrowed or blocked. Cholesterol accumulates on the arterial walls, forming plaques that may lead to thrombus formation, resulting in arterial stenosis or occlusion. This restricts blood flow to the heart and may cause left-sided chest pain. Patients are recommended to take medications such as isosorbide mononitrate tablets or sustained-release isosorbide nitrate tablets according to medical advice.
5. Myocardial Ischemia
Myocardial ischemia occurs when the blood vessels supplying the heart become narrowed, leading to insufficient blood supply and oxygenation of the myocardium, which can trigger left-sided chest pain. Patients should maintain a diet low in fat and high in fiber, consume more fresh fruits and vegetables, and moderately eat fish, lean meat, legumes, and milk to supplement vitamins and protein. They should avoid fatty meats and fried foods. Additionally, maintaining emotional stability is important. Patients are advised to take medications such as clopidogrel hydrogen sulfate tablets or ticagrelor dispersible tablets as prescribed.
In addition, congenital heart disease may also cause left-sided chest pain. Patients are advised to seek hospital evaluation to determine the underlying cause and actively cooperate with medical treatment, avoiding self-medication without professional guidance.
