Medically reviewed by Jennifer Steinhoff, MD Shoulder blade pain is discomfort in or around your shoulder blades. It usually ...

Rheumatoid arthritis, an autoimmune inflammatory disease, can cause swelling and inflammation in the shoulder joint and ...

Injuries to the shoulder, such as a shoulder dislocation, can also lead to pain and swelling in the armpit. As the injury ...

Rheumatoid arthritis, an autoimmune inflammatory disease, can cause swelling and inflammation in the shoulder joint and tissues which may manifest as armpit pain, says O’Hare. Psoriasis is a ...