Arthralgia
（重定向自Polyarthralgia）
Arthralgia (from Greek arthro-, joint + -algos, pain) literally means joint pain; it is a symptom of injury, infection, illnesses (in particular arthritis) or an allergic reaction to medication.
According to MeSH, the term "arthralgia" should only be used when the condition is non-inflammatory, and the term "arthritis" should be used when the condition is inflammatory.