Right rib pain when coughing may be caused by lung infection, costochondritis, pleurisy, pleural tumor, cholecystitis, etc., which need to be analyzed specifically. 1. Lung infection: right lung lung infection, can be due to inflammation involved in the pleura, the symptoms of right-sided chest pain, coughing can be aggravated, thus appearing right rib pain when coughing. 2. Costal chondritis: single or multiple bulges of the rib cartilage, most common in the 2nd and 3rd rib cartilage, mostly unilateral, but also bilateral. Usually the pain is accompanied by pressure pain, and the pain can be aggravated by coughing, and can be alleviated after resting. 3. pleurisy: right pleurisy, coughing causes friction between the wall pleura and the dirty pleura, pulling the pleural receptors, which can also cause chest pain, thus the right rib pain. 4. Pleural tumor: metastasis of tumor in other tissues or abnormal proliferation of pleural tissues may cause right rib pain when coughing. 5. Cholecystitis: under the right rib cage is the liver and gallbladder, when coughing, the pressure inside the lungs increases, it will stimulate the gallbladder. If there is inflammation in the gallbladder, it will cause pain, which will result in the phenomenon of pain in the right side of the ribs as soon as you cough. Right side rib pain when coughing can also be caused by other diseases, if the symptoms are not relieved or aggravated, it is recommended to go to the hospital in a timely manner, under the guidance of the doctor to identify the cause of the active treatment, so as not to delay the condition.