Xa amalungu abuhlungu, kunempembelelo embi kubomi bemihla ngemihla besilwanyana.
I-arthritis sisifo esidibeneyo esivuthayo esibangelwa yintsholongwane okanye iinkqubo ze-immunological emzimbeni. Kwizinja kunye neekati, ukongeza kwisiqhwala kunye nokunyakaza okuthintelweyo, ukunyuka kwamaqondo obushushu kunye nokukhathala kunokubonwa rhoqo. Ngosulelo lwe-bacterial joint infections, amalungu afudumele, adumbile, kwaye athambile.
Ukuba ukuvuvukala okuhlangeneyo kuyisiphumo se-endogenous, iinkqubo ze-immunological, zifaniswa ne-rheumatoid polyarthritis kubantu. Ifom ye-Immune complexes, echithwa kwakhona yi-immune system, ikhulula i-joint-changeing lysosomal enzymes. Izinto zeRheumatoid, ezichongiweyo kumayeza omntu ukuxilongwa, azithembekanga njengemilinganiselo yokuxilonga kwizinja.