When the small vessels of the fingertips and around the nails are affected, the result can be small pits on the fingertips or small sores or redness around the nail. If it happens in larger blood vessels, it can cause a painful rash, often on the legs.

Does RA cause itchy bumps?

Doctors may also call this condition rheumatoid papules. Symptoms associated with the condition include red plaques or bumps that closely resemble eczema. The rash is itchy and often painful. However, interstitial granulomatous dermatitis is very rare in people with rheumatoid arthritis.

Does rheumatoid arthritis cause weight gain?

Also, while the condition can cause some people to gain weight, others experience weight loss. According to the Arthritis Foundation, an estimated two-thirds of people with rheumatoid arthritis (RA) are overweight or have obesity. Weight loss can be a side effect of RA medication or a symptom of the condition itself.