Medically reviewed by Sameena Zahoor, MD Pain under your left rib cage or breast is common, especially after eating or while ...

Costochondritis occurs when the cartilage that connects your rib cage to your breastbone becomes inflamed. It can have symptoms that are similar to a heart attack. These include pain in the upper ...

Kidney pain occurs below the rib cage on either side of a person’s spine. It can also feel as though the pain is coming from deep within the body. People may experience pain on one or both sides ...

It also connects to muscles in the chest, arms, and around the rib cage. There are many causes of right-side pain under the armpit, including muscle strain, infections, or skin conditions.