Arthritis is simply defined as pain and stiffness of the joints. This appears in many conditions including: 

• Ankylosing spondylitis

• Fibromyalgia

• Gout

• Infectious arthritis

• Inflammatory arthritis

• Osteoarthritis

• Polymyalgia

• Psoriatic arthritis

• Raynaud's phenomenon

• Reactive arthritis

• Rheumatoid arthritis

• Scleroderma

• Lupus

• And more!