https://www.healthcentral.com/slideshow/psoriatic-arthritis-or-rheumatoid-arthritis-which-one-do-you-have
Psoriatic ArthritisDiagnosis

Psoriatic Arthritis or Rheumatoid Arthritis: Which One Do You Have?

VIEW AS: LIST | SLIDES
Woman reading magazine in green waiting room.
iStock

Smiling adult daughter comforting her senior mother.
iStock

Family history of psoriatic disease


Psoriasis on elbow.
iStock

Psoriasis and join pain


Rheumatoid factor blood test.
iStock

A positive rheumatoid factor blood test


Young woman having a blood test.
iStock

Other possibilities of a positive blood test


Woman's hands.
iStock

Joint pain symmetry


Swollen hand.
iStock

Sausage fingers


Hands with rheumatoid nodules.
iStock

Rheumatoid nodules


Damaged fingernails.
iStock

Nail pitting


Young woman having a genetic test swab.
iStock

Genetic testing


Doctor showing woman electronic tablet.
iStock

If you think you’ve been misdiagnosed


Casey Nilsson

Casey Nilsson

@casey_nilsson

Casey Nilsson, an award-winning journalist and magazine editor based in Rhode Island, writes about autoimmune disease for HealthCentral. Casey is a 2018 Association of Health Care Journalists fellow, and her reporting on unfair labor conditions for people with disabilities was a finalist for the City and Regional Magazine Association Awards. Diagnosed with psoriatic arthritis in 2016, Casey enjoys digging into rheumatologic news, research and trends.