Medically reviewed by Anju Goel, MD Pain under the left rib cage isn't always serious, but it can involve several organs.Gas and GERD can cause pain under the left rib cage, as well as problems with ...
Right-sided pain under the armpit may be due to muscle strain, infections, or skin conditions. Sometimes, armpit pain may indicate a more serious issue, such as cancer or a heart issue. The armpit ...