What causes coughing and left arm pain?
Mar 21, 2025
Source: Cainiu Health
Dr. Ren Yi
Introduction
In general, coughing accompanied by left arm pain may be caused by factors such as muscle strain, improper posture, intercostal neuralgia, pleurisy, or cervical spondylosis, and symptomatic management such as general treatment and medication may be required. In daily life, it is recommended to maintain good living habits and engage in appropriate exercise, such as walking or jogging, which can help strengthen physical health and reduce the occurrence of diseases.
Generally, cough accompanied by left arm pain may be caused by muscle strain, improper posture, intercostal neuralgia, pleurisy, cervical spondylosis, and other conditions. Symptomatic treatment through general care and medication may be needed. If discomfort occurs, prompt medical consultation is advised. Detailed explanations are as follows:
1. Muscle Strain
If the left arm suffers from external impact or excessive pulling or lifting heavy objects, local muscle strain may occur, causing arm pain and swelling. When coughing occurs simultaneously, the contraction of muscles may cause referred pain in the left arm. Applying heat compresses and massage in daily life can help improve local blood circulation and relieve discomfort.
2. Improper Posture
Prolonged poor sitting or sleeping posture, especially lying on one's side with the left arm underneath the body, may lead to muscle tension or nerve compression, causing left arm pain. Local muscle soreness or stiffness may also occur. It is recommended to improve sitting and sleeping posture, regularly stretch and exercise the muscles, and avoid maintaining the same posture for long periods.
3. Intercostal Neuralgia
Compression or inflammation of the intercostal nerves can cause abnormal nerve conduction and result in pain. The pain may radiate along the nerve distribution area, affecting the left arm, possibly accompanied by abnormal local skin sensations, such as stabbing pain or burning sensation. It is recommended to follow medical advice and use medications such as carbamazepine tablets, gabapentin tablets, or phenytoin sodium tablets for treatment.
4. Pleurisy
Pleurisy may be caused by pathogenic infections, autoimmune diseases, and other factors. Inflammation can irritate the pleura and surrounding nerves, potentially causing referred pain in the left arm during coughing. Besides cough and left arm pain, symptoms such as chest tightness, shortness of breath, and fever may also occur. It is recommended to follow medical instructions and use medications such as metronidazole tablets, levofloxacin tablets, or ibuprofen tablets to alleviate symptoms.
5. Cervical Spondylosis
Conditions such as herniated cervical discs or bone spurs may compress the cervical nerve roots, affecting nerve signal transmission and causing pain. The pain may radiate downward along the nerve root distribution area, affecting the left arm, possibly accompanied by neck stiffness, headache, or numb fingers. It is recommended to follow medical advice and use medications such as chlorzoxazone tablets, eperisone hydrochloride tablets, or naproxen sodium tablets to relieve symptoms.
In daily life, it is recommended to maintain good habits and engage in moderate exercise, such as walking or jogging, which can help strengthen physical fitness and reduce the occurrence of diseases.
References
[1] Long Jingyun. Pleurisy: A Commonly Overlooked Cause of Cough. Family Medicine. Happy Health Preservation, 2023, (12): 53.
[2] Chen Cangzi. Acupuncture Treatment for Intercostal Neuralgia. Sichuan Journal of Traditional Chinese Medicine, 1987, (12): 50-51.
