Other factors believed important in triggering an acute episode of arthritis include cool temperatures , rapid changes in uric acid levels , acidosis , articular hydration , and extracellular matrix proteins , such as proteoglycans , collagens , and chondroitin sulfate .
Other factors believed to be important in triggering an acute episode of arthritis include cool temperatures , rapid changes in uric acid levels , acidosis , articular hydration , and extracellular matrixproteins , such as proteoglycans , collagens , and chondroitin sulfate .