02/26/2026
When Is Muscle Pain Serious
The causes of muscle pain can vary. Also called myalgia, aching muscles can be caused by an injury, a symptom of a disease or infection, or a side effect of a medication. Muscle pain can also feel different—aching, cramping, stabbing, or burning—depending on what is causing it.
Learn more about what can cause muscle pain and how to find relief.
Learn more about what can cause muscle pain and how to find relief.