# The Differences Between PsA, RA, Osteo and Gout

**URL:** <https://discussion.livingwithpsoriaticarthritis.org/t/the-differences-between-psa-ra-osteo-and-gout/3253>\
**Category:** A newbies Guide to PsA\
**Created:** [April 17, 2014, 9:52pm UTC](https://discussion.livingwithpsoriaticarthritis.org/t/the-differences-between-psa-ra-osteo-and-gout/3253 "2014-04-17T21:52:52Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![tntlamb](https://sea1.discourse-cdn.com/flex019/user_avatar/discussion.livingwithpsoriaticarthritis.org/tntlamb/32/155_2.png) [@tntlamb](https://discussion.livingwithpsoriaticarthritis.org/u/tntlamb)\
**Post date:** [April 17, 2014, 9:52pm UTC](https://discussion.livingwithpsoriaticarthritis.org/t/the-differences-between-psa-ra-osteo-and-gout/3253/1 "2014-04-17T21:52:52Z")

</div>

The Differences Between PsA, RA, Osteo and Gout are in the chart below (in terms of symptoms) i arrached the chart in a word document that will print with gridlines etc.

| 

 | 

**Psoriatic arthritis**

 | 

**Rheumatoid arthritis**

 | 

**Inflammatory osteoarthritis**

 | 

**Gout**

 |
| 

Distal interphalangeal joint involvement

 | 

Common

 | 

Uncommon

 | 

Common

 | 

Uncommon

 |
| 

Symmetry

 | 

Less Common

 | 

Common

 | 

Uncommon

 | 

Uncommon

 |
| 

Erythema of joint

 | 

Common

 | 

Uncommon

 | 

Uncommon

 | 

Common

 |
| 

Tenderness

 | 

Mild

 | 

Severe

 | 

Mild

 | 

Severe

 |
| 

Back involvement

 | 

Common

 | 

Uncommon

 | 

Uncommon

 | 

Uncommon

 |
| 

Skin lesions

 | 

Always

 | 

Uncommon

 | 

Uncommon

 | 

Uncommon

 |
| 

Nail lesions

 | 

Common

 | 

Uncommon

 | 

Uncommon

 | 

Uncommon

 |
| 

Dactylitis

 | 

Common

 | 

Uncommon

 | 

Uncommon

 | 

Uncommon

 |
| 

Enthesitis

 | 

Common

 | 

Uncommon

 | 

Uncommon

 | 

Uncommon

 |
| 

Rheumatoid nodules

 | 

Never

 | 

Common

 | 

Uncommon

 | 

Uncommon

 |
| 

Rheumatoid factor

 | 

Uncommon

 | 

Common

 | 

Uncommon

 | 

Uncommon

 |
| 

Osteopenia

 | 

Less common

 | 

Common

 | 

Uncommon

 | 

Uncommon

 |
| 

Periostitis

 | 

Common

 | 

Rare

 | 

Uncommon

 | 

Uncommon

 |
| 

Pencil in cup change

 | 

Common

 | 

Rare

 | 

Uncommon

 | 

Uncommon

 |
| 

Ankylosis

 | 

Common

 | 

Rare

 | 

Uncommon

 | 

Uncommon

 |
| 

Sacroiliitis

 | 

50%

 | 

Rare

 | 

Uncommon

 | 

Uncommon

 |
| 

Quality of life

 | 

Reduced

 | 

Reduced

 | 

Reduced

 | 

?

 |
| 

Function

 | 

Reduced

 | 

Reduced

 | 

Reduced

 | 

?

 |

293-PsoriaticarthritisChart.doc (29.5 KB)