Arthritis is the class of diseases causing joint inflammation. Symptoms include joint pain, joint swelling, joint redness, joint warmth, and so on. Arthritis may affect only a single joint, or there may be multiple joints affected. Arthritis may affect any region: knuckle arthritis, knee arthritis, ankle arthritis, spinal arthritis, and ...

... More on Arthritis »

Introduction: Arthritis

While the word arthritis is used by clinicians to specifically mean inflammation of the joints, it is used in public health to refer more generally to more than 100 rheumatic diseases and conditions that affect joints, the tissues that surround ...1

... More on Arthritis »

Symptoms of Arthritis

Fatigue is a clinically important symptom of many types of arthritis and other rheumatic conditions. It is often just as problematic as pain. ...Source: Healthy People (DHHS)2 ...

... More Symptoms of Arthritis »

Complications of Arthritis

Joints are places where two bones meet, such as your elbow or knee. Over time, in some types of arthritis but not in all, the joints involved can become severely damaged. ...Source: NIAMS (NIH)3 ...

... More on Complications of Arthritis »

Causes of Arthritis

What causes arthritis? Elevated uric acid levels cause gout, and specific infections can cause certain forms of arthritis. For many forms of arthritis, the cause is unknown. Scientists are studying the role of factors such as genetics, lifestyle, and environment ...4

... More Causes of Arthritis »

Causes List for Arthritis

Some possible causes of Arthritis or similar disorders may include:5

... Full Causes List for Arthritis »

Types of Arthritis

Arthritic Disorders: Types of arthritis include:

... More Types of Arthritis »

Types of Arthritis

What exactly is arthritis? “Arthr” means joint, and “itis” means inflammation—heat, swelling and redness. But the inflammation of arthritis isn’t always something you can see. “Some types of arthritis are very inflammatory and others aren’t as much ...6

... More Types of Arthritis »

Diagnosis of Arthritis

If you feel pain and stiffness in your joints, don’t hesitate to bring it up with your doctor. If you wait too long, your joints can become damaged beyond repair. Find out what’s causing your problems now and ...7

... More on Diagnosis of Arthritis »

Genetics of Arthritis

Genes play a significant role in many types of arthritis. For example, scientists have linked certain immune system genes with a tendency to develop rheumatoid arthritis. Genes involved in how uric acid is processed have been tied to gout. For ...8

... More on Genetics of Arthritis »

Risk Factors for Arthritis

Who is at risk for arthritis? Certain factors are associated with a greater risk of arthritis. Some of these risk factors are modifiable while others are not. Non-modifiable risk factors

  • Age: The risk of developing most types of arthritis ...
... More on Risk Factors for Arthritis »

Treatments: Arthritis

There are interventions that can reduce arthritis pain and functional limitations, but they remain underused.5 These include:

  • Increased physical activity
  • Self-management education
  • Weight loss among overweight/obese adults

Source: Healthy People (DHHS)9 ...

... More Treatment Information for Arthritis »

Prevention of Arthritis

Can I prevent arthritis? Depending on the form of arthritis, there are steps that can be taken to reduce your risk of arthritis. Maintaining an appropriate body weight has been shown to decrease the risk of developing osteoarthritis and gout ...10

... Prevention of Arthritis »

Research for Arthritis

Progress and Promise: The National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), part of the National Institutes of Health (NIH), leads the Federal medical research effort in arthritis and rheumatic diseases. The NIAMS sponsors research and research training ...11

... More on Research for Arthritis »

Names and Terminology

"Arthritis" literally means joint inflammation. Although joint inflammation is a symptom or sign rather than a specific diagnosis, the term arthritis is often used to ...12

... More General Information on Arthritis »

   •   •   •


  1. Source: CDC: arthritis/ basics/ general.htm
  2. Source: Healthy People (DHHS): 2020/ topics-objectives/ topic/ Arthritis-Osteoporosis-and-Chronic-Back-Conditions
  3. Source: NIAMS (NIH): Health_Info/ Arthritis/ default.asp
  4. Source: CDC: arthritis/ basics/ faqs.htm
  5. Source: Algorithmically Generated List
  6. Source: NIH News in Health (NIH): issue/ nov2010/ feature1
  7. ibid.
  8. ibid.
  9. Source: Healthy People (DHHS): 2020/ topics-objectives/ topic/ Arthritis-Osteoporosis-and-Chronic-Back-Conditions
  10. Source: CDC: arthritis/ basics/ faqs.htm
  11. Source: NIAMS (NIH): Health_Info/ Arthritis/ arthritis_rheumatic.asp
  12. ibid.

   •   •   •

Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.