Hello, I am newly diagnosed with sudden onset seronegative RA. I had 44 days of swelling and pain culminating in hospitalization on suspicion something more serious was going on. Many, many tests and RA was left standing as the diagnosis. Starting MTX tomorrow. Docs assume this experience was a flare. I read about flares but there is a lot of vagueness about their length and severity. Would be grateful to hear first person accounts about your flares. Mine made me miss my son's wedding and meds couldn't stop the pain. Thank you in advance.