Coughing that causes pain at the right side of the ribs may be related to muscle injury, pleurisy, pneumothorax and other causes. 1. Muscle injury: If you cough for a long time, the muscle is continuously overstretched and there is intercostal muscle injury, you may have pain in the right side of the rib cage after coughing. 2. Pleurisy: If the cough is caused by pneumonia, due to the lack of active treatment, it may cause pleurisy on the right side and painful symptoms. 3. Pneumothorax: If you cough too hard, you may have a pneumothorax and experience pain in the right side of your ribs. It is recommended that people with coughs that cause pain in the right side of the ribs go to the hospital in a timely manner to clarify the cause of the disease and under the guidance of the doctor for standardized treatment, so as not to delay the disease to bring adverse effects on the body.