What Causes Chest Pain on the Left Side?

Chest pain on the left side can have various potential causes, ranging from relatively benign issues to more serious medical conditions. It’s important to note that chest pain should never be ignored, especially if it is severe, prolonged, or accompanied by other symptoms. If you or someone else is experiencing chest pain, it’s recommended to seek medical attention promptly. Here are some possible causes of left-sided chest pain:

  • Cardiac Causes:
    • Heart Attack (Myocardial Infarction): A heart attack occurs when blood flow to a part of the heart muscle is blocked, usually due to a blood clot. This can result in severe chest pain that may radiate to the left arm, neck, jaw, or back. Other symptoms might include shortness of breath, sweating, nausea, and lightheadedness.
    • Angina: Angina is chest pain or discomfort that occurs when the heart muscle doesn’t receive enough blood and oxygen. It’s often triggered by physical activity or emotional stress and typically subsides with rest. It can feel like pressure, squeezing, or a burning sensation in the chest.
  • Musculoskeletal Causes:
    • Costochondritis: Inflammation of the cartilage that connects the ribs to the breastbone can cause localized chest pain. It’s often worsened by movement and deep breathing.
    • Muscle Strain: Overexertion, heavy lifting, or sudden movements can strain the muscles between the ribs or in the chest wall, leading to pain.
  • Respiratory Causes:
    • Pneumonia: Infection of the lungs can cause sharp chest pain, especially during coughing or deep breathing.
    • Pleuritis: Inflammation of the lining around the lungs can result in sharp chest pain that worsens with deep breathing or coughing.
  • Gastrointestinal Causes:
    • Gastroesophageal Reflux Disease (GERD): Acid reflux can cause a burning sensation in the chest (heartburn), which may be mistaken for heart-related pain.
    • Gastritis or Peptic Ulcers: Inflammation of the stomach lining or ulcers in the stomach or duodenum can cause pain in the upper abdomen that may radiate to the chest.
  • Other Causes:
    • Anxiety or Panic Attacks: Intense anxiety or panic attacks can cause chest discomfort, often described as a tightness or heaviness.

It’s important to differentiate between the various causes of chest pain, as some may require urgent medical intervention, while others may be less serious. If you or someone else is experiencing chest pain, especially if it’s accompanied by symptoms like shortness of breath, nausea, sweating, or radiating pain, it’s crucial to seek medical attention immediately. A healthcare professional can perform a proper evaluation and determine the cause of the chest pain.