Psoriatic vs. rheumatoid arthritis: What is the difference between them?
The most consistent difference between PsA and RA is the presence of and in the majority of cases (psoriatic arthritis (PsA) 70%; rheumatoid arthritis (RA). Key differences between psoriatic arthritis and rheumatoid arthritis include Blood test results: One common difference between PsA and RA. Rheumatoid arthritis (RA) and psoriatic arthritis (PsA) have key differences in clinical Association of the B-cell alloantigen DRw4 with rheumatoid arthritis.
For example, PsA often affects distal joints in the fingers and toes meaning the joints closest to the nail bedand in the lower back.
Additionally, joint pain with PsA is typically asymmetrical versus the more uniform RA. PsA affects much more than just joints: While both conditions have wide-reaching, and debilitating symptoms, PsA can often go beyond just bones to affect tendonsskin, nails, and even the eyes.
This can lead to a wide host of related conditions, such as plantar fasciitis, conjunctivitis of the eye, and most commonly, psoriasis of the skin.
On the whole, PsA and RA can look extremely similar, especially to an unknowing observer. However, on a smaller scale, they can present completely different! The key to being able to distinguish between the two yourself, or helping others learn the differences, often can come from education about each.
What are the differences between RA and PsA? | jingle-bells.info
So if RA affects the wrists, it will usually affect both wrists. PsA, on the other hand, is asymmetric, meaning that it may only cause pain in the left knee or the right wrist, for instance.
Psoriatic arthritis characteristics According to the National Psoriasis Foundation, PsA affects up to 30 percent of people who have psoriasis. When a person has PsA, their immune system causes excess inflammation in the body. This inflammation often causes symptoms, such as stiffness, swelling, and pain in the joints. Both sexes are affected by PsA, most commonly adults, and some people develop the condition without ever having psoriasis affecting the skin.
People with psoriasis will often develop shiny, red patches called plaques on their skin. Osteoarthritis most often affects the hands and weight-bearing joints such as the knees, hip, and spine. It does not produce the kind of swelling seen in the other forms of arthritis. Rheumatoid Arthritis The second most common misdiagnosis, Mease says, would be confusing psoriatic arthritis with rheumatoid arthritis. The big differences between the two are the presence of psoriatic skin lesions and the distribution of the affected joints.
Can you have RA and PsA at the same time?
Rheumatoid arthritis is a symmetrical disease meaning that symptoms are often mirrored on both sides of the bodyprimarily involving the hands and wrists. Psoriatic arthritis affects various joints and is often asymmetrical, involving joints on one side of the body while the corresponding joints on the other side are normal, or involving different joints on each side.Psoriatic arthritis - causes, symptoms, diagnosis, treatment, pathology
There are also differences in the appearance of the affected joint. Rheumatoid arthritis often produces pronounced swellings over the joints, called rheumatoid arthritis nodules, while psoriatic arthritis swellings are more generalized and produce a sausagelike appearance in fingers or toes.