What causes pain in the left ribs?

Dec 12, 2025 Source: Cainiu Health
Dr. Li Feng
Introduction
In general, left rib pain may be caused by external trauma, poor posture, costochondritis, intercostal neuralgia, gastric ulcers, or other reasons. If discomfort occurs, it is recommended to seek timely medical evaluation and treatment at a正规 hospital. In daily life, it is important to protect the chest area from external impacts and maintain proper posture to reduce muscle strain.

Generally, left rib pain may be caused by external impact, improper posture, costochondritis, intercostal neuralgia, gastric ulcers, and other reasons. If discomfort occurs, it is recommended to seek timely medical evaluation and treatment at a正规 hospital. Specific causes are analyzed as follows:

1. External impact: Collision or compression to the left chest can injure the ribs and surrounding soft tissues, causing pain and swelling. Apply cold compresses within the first 48 hours to control bleeding; switch to warm compresses after 48 hours to promote circulation. Avoid pressing on the injured area.

2. Improper posture: Prolonged bending or lying on one side can continuously strain the muscles of the left rib area, leading to soreness due to poor local blood circulation. Adjust sitting and standing postures, avoid maintaining the same position for long periods, and regularly stand up to move and stretch.

3. Costochondritis: Aseptic inflammation of the costal cartilage caused by viral infection or overuse may result in stabbing or tender pain in the left rib area. Medications such as diclofenac sodium sustained-release tablets, celecoxib capsules, or ibuprofen sustained-release capsules may be used under medical guidance. Avoid strenuous chest movements.

4. Intercostal neuralgia: Herpes zoster virus infection or thoracic spine lesions may irritate the intercostal nerves, causing pain that follows the path of the ribs. Under medical supervision, medications such as acyclovir tablets, gabapentin capsules, or vitamin B12 tablets may be taken. Acupuncture may also help relieve symptoms.

5. Gastric ulcer: Ulcers caused by stomach acid irritating the gastric mucosa can lead to pain radiating to the left rib area, often accompanied by acid reflux and heartburn. Medications such as omeprazole enteric-coated capsules, hydrotalcite chewable tablets, or amoxicillin capsules may be used as directed by a physician. Avoid spicy and irritating foods.

In daily life, protect the chest from external impacts; maintain proper posture to reduce muscle strain; eat regular, balanced meals and avoid overeating; seek medical attention promptly if persistent pain or acid reflux occurs.

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