A little pain in the ribs after taking stomach pills may be related to the side effects of stomach pills, or it may be due to costochondritis, intercostal neuralgia and so on. 1. Side effects of gastric drugs: for example, omeprazole, a commonly used gastric drug, may cause rib muscle pain after taking it due to the toxicological effect of its drug. 2. Costal chondritis: mostly due to infection, trauma, chronic strain and other reasons related to the inflammation of the rib cartilage, inflammatory stimulation caused by rib pain, which can be manifested as pressure pain. 3. Intercostal neuralgia: may be due to trauma or viral infection, rib lesions and other causes of intercostal nerve abnormalities, often manifested as stabbing pain or burning pain. When the symptoms of a little pain in the ribs after taking stomach pills appear, it is recommended to consult a doctor in time, follow the doctor’s instructions for further examination, clarify the cause with the help of the doctor, and carry out targeted treatment or therapy.