pain of joint

Arthralgia is a pain in a joint or joints.

Arthralgia is a disease much like arthritis.

That is the correct spelling of "arthralgia" (a type of joint pain).

Arthralgia refers to joint pain, whereas arthritis refers to inflammation of the joints. Swollen joints can be painful, stiff, and difficult to move. Arthralgia can be a symptom of arthritis or can be the result of an injury, disease, or infection. Children can also experience arthralgia as they grow.