When rheumatoid arthritis flares up, it makes joints feel stiff and achy. That discomfort may go away at times, but there may still be permanent damage. Eventually rheumatoid arthritis can harm joints so they don't work as well even when the disease itself is not active. How does joint damage occur, and how can it be prevented?
Periods of active inflammation are called high disease activity. When joints are inflamed, white blood cells enter the joint space.
Inside the joint, these white blood cells...
WebMD guest expert Scott Zashin, MD, says feeling foggy isn't generally an RA symptom. But it could be a side effect of some medications. He suggested talking to the doctor about the fogginess to see what might be the cause.
Have you had any foggy feelings with your RA? Was it medication-related?