What are some diseases that cause joint pain and swelling?

Diseases that cause joint pain and swelling include osteoarthritis, rheumatoid arthritis, gout and infectious arthritis, states WebMD. Joint pain can also occur from bone cancer, leukemia and rickets, according to Mayo Clinic.

Osteoarthritis is a condition that usually occurs after an injury or with aging, causing a painful, swollen joint, notes WebMD. Infectious arthritis is a bacterial, fungal, or viral infection that affects the tissues and fluid of a joint, causing pain, inflammation, fever and swollen joints.

Rheumatoid arthritis is inflammatory arthritis that occurs in people of all ages and usually affects feet, hands and knees, reports WebMD. Gout occurs from a buildup of uric acid, causing pain and swelling in the joints of the feet, especially the big toe, says Healthline.