Skip to content
My WebMD Sign In, Sign Up

Classification of Osteoarthritis

Font Size

Topic Overview

Osteoarthritis is a common cartilage condition and a major cause of pain and disability in older adults. Primaryosteoarthritis results from changes over time often linked to things such as age, obesity, and a family history of osteoarthritis. Secondary osteoarthritis is caused by other conditions that damage cartilage.

Types of osteoarthritis
Primary osteoarthritis Secondary osteoarthritis

It is usually limited to one or a small number of joints.

It may be limited to a small number of joints if injury-related, or it may be in joints throughout body if disease-related.

It is seen in spine, hips, knees, thumbs, and top two sets of finger joints.

It is seen in hips, ankles, shoulders, wrists, and the middle set of finger joints.

No specific inflammatory or metabolic condition known to be associated with arthritis is present.

Conditions that cause damage to cartilage may be present, such as:

There is no history of specific injury or trauma.

There may be a history of injury to joints, such as fractures and tears, or history of trauma to joints, such as repetitive heavy lifting or kneeling.

1

WebMD Medical Reference from Healthwise

Last Updated: April 09, 2013
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
Next Article:

Classification of Osteoarthritis Topics

Hot Topics

WebMD Video: Now Playing

Click here to wach video: Dirty Truth About Hand Washing

Which sex is the worst about washing up? Why is it so important? We’ve got the dirty truth on how and when to wash your hands.

Click here to watch video: Dirty Truth About Hand Washing

Popular Slideshows & Tools on WebMD

feet
Solutions for 19 types.
Heart-Shaped Fried Egg
Can you benefit from them?
oatmeal and eggs
How to make the best choices for you.
dog begging at table
Foods your dog should never eat.
MS Overview
Recognizing symptoms.
Adult man lying awake in bed
How to recognize them.
chlamydia
Pictures and facts.
smiling woman
Fight the effects of getting older.
chicken and veggie kabobs
What are you eating tonight?
lone star tick
How to identify that bite.
young woman in sun
What to watch for.
woman clutching at stomach
Do you know what's causing yours?

Women's Health Newsletter

Find out what women really need.