It develops suddenly and can cause severe pain in the upper abdomen, often spreading to your back or left shoulder blade area. It is typically caused by gallstones or heavy alcohol consumption.

When you bump your knee, cut your lip, or twist your ankle, the sudden, sharp feeling is somatic pain. Somatic pain is generally described as musculoskeletal pain. Nociceptors in the skin, muscles, ...

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Armpit pain can have many causes, ranging from injuries and irritants to infections that cause swollen lymph nodes. Less commonly, the pain—referred to as axillary pain—may be due to an autoimmune or ...