Although stiff joints are a classic symptom of rheumatoid arthritis (RA), you can also get them for other reasons.
If it’s RA, joint stiffness and other symptoms such as pain or fatigue tend to develop and worsen over several weeks or months. It’s usually most noticeable in the morning. It often eases up after an hour or two, but it can last all day. You may feel it in these areas:
Fingers and hands
If your doctor thinks you have this condition, she may take a biopsy (a small tissue sample) of an affected area to see if the blood vessels in the area are inflamed. For instance, your biopsy might come from an area of your skin that has a suspicious rash.