Hi There are several organs that are located in within the abdomen area that is right underneath the rib cage. For instance, on the right side of the body, intestines, kidneys, pancreas, gallbladder, liver, spleen and in the case of women, uterus and ovaries are located Most often, pain under right rib cage may be a symptom of an injury or inflammation to any of the organs located in the abdomen cavity, under the right rib cage. Below are some of the possible illnesses and medical conditions that may cause pain under the rib cage Muscle pull also is one of the common cause Apply topical gel like diclofenac or Piroxicam gel and apply cold packs Do relaxation exercises and try not doing stretching exercises If you do not get the relief in a week then an ultrasound and X-ray is recommended Wish You Good Health Regards Dr Sridhar K