Chronic muscle pain may be a sign of fibromyalgia. Triggers can be stress, illness, or injury. Symptoms can include tension headaches, stomach disorders, depression and anxiety. Medications and specific physical therapy may alleviate the symptoms.
There are a number of reasons for muscle pain, including stress, muscle strain and injury. Muscle pain can also be caused by fibromyalgia or other diseases or it could be caused by a reaction to a statin drug.