There are many conditons that have similar symptoms to rheumatoid arthritis, which can make it hard to diagnose. Some of these include psoriatic arthritis, erosive inflammatory arthritis, gout and lupus, which can all present with painful, swollen joints. It's important to know the similarities and differences to help determine if you have RA or something else.
For me, it’s hard to talk about lupus without talking about RA because I have both illnesses. As of November 2013, it was reported that 1.3 million adults in the United States have RA and between 161,000 to 322,000 have lupus (1). However, the prevalence rate for lupus may be higher given its difficulty in diagnosing, as…