II. Causes: General
-
Viral Infection
- Parvovirus B19
- Epstein-Barr Virus
- Varicella Zoster
- Enterovirus, Adenovirus or Coxsackievirus
- Hepatitis B Virus
- Human Immunodeficiency Virus (HIV)
- Mumps
- Rubella
-
Bacterial Infection
- Gonococcal Arthritis
- Bacterial Endocarditis
- Rheumatic Fever
- Whipple's Disease
- Salmonella, Shigella or Yersinia Infection
- Staphylococcus aureus
- Tuberculosis
- Lyme Disease
- Syphilis
- Systemic conditions
- Rheumatoid Arthritis
- Osteoarthritis
- Fibromyalgia
- Systemic Lupus Erythematosus
- Polymyositis
- Polymyalgia Rheumatica
- Sarcoidosis
- Scleroderma
- Sjogren's Syndrome
- Behcet's Syndrome
- Henoch-Schonlein Purpura
- Polyarteritis Nodosa
- Granulomatosis with Polyangiitis (previously known as Wegener's Granulomatosis)
- Hyperthyroidism
- Hypothyroidism
- Hyperparathyroidism
- Miscellaneous
- Cancer (Multiple Myeloma, Metastatic Cancer)
- Crystal-induced (e.g. Gout, Pseudogout)
- Ankylosing Spondylitis
- Psoriatic Arthritis
- Inflammatory Bowel Disease
- Reiter's Syndrome
III. Causes: By Number of Joints Involved
- Pauciarticular (Oligoarticular) (2-4 joints)
- Spondyloarthropathy (especially sacroiliac)
- Sarcoidosis (especially ankle)
- Rheumatoid Arthritis
- Psoriatic Arthritis
- Gonococcal Arthritis
- Polyarticular (Common)
- Large joints
- Small joints
- Large and small joints
- Migratory Arthritis
IV. Causes: By Symmetry
- Symmetric Polyarthritis
- Asymmetric Polyarthritis
V. Causes: Inflammatory Arthritis By Timing
- Acute Inflammatory Polyarthritis (synovitis <6 weeks)
- Bacterial Infections (see full list of Bacterial causes as above)
- Viral Arthritis (see full list of viral causes as above)
- Crystal Arthropathy
- New onset rheumatic disease
- See rheumatic diseases as below
- Chronic Inflammatory Polyarthritis (synovitis >6 weeks)
VI. Causes: By Region
- Shoulder Associated Rheumatologic Conditions
- Elbow associated Rheumatologic Conditions
-
Hand Associated Rheumatologic Conditions (includes wrist)
- Hand Osteoarthritis (DIP and PIP nodes, first MCP, thumb trapeziometacarpal joint)
- Rheumatoid Arthritis (PIP, MCP and wrist)
- Psoriatic Arthritis (any hand joint but esp. DIP, Sausage Digits, Nail Pitting)
- Hemochromatosis (second and third MCP)
- Polyarticular Gouty Arthritis (PIP, DIP joints, tophi)
- Pseudogout (wrist)
- Gonococcal Arthritis
- Systemic Sclerosis and Scleroderma (Sausage Digits, distal Cyanosis, calcified Nodules)
- Cervical Spine Associated Rheumatologic Conditions
- Low Back Associated Rheumatologic Conditions
- Hip Associated Rheumatologic Conditions
-
Knee Associated Rheumatologic Conditions
- Knee Osteoarthritis
- Rheumatoid Arthritis
- Pseuodgout
- Polyarticular Gouty Arthritis
-
Foot Associated Rheumatologic Conditions
- Osteoarthritis (first MTP)
- Rheumatoid Arthritis (MTP, ankles)
- Psoriatic Arthritis (Sausage Digits, Nail Pitting, ankles)
- Reactive Arthritis
- Gouty Arthritis (first MTP)
- Pseudogout (ankle)
VII. Evaluation
- See Joint Pain for History, Exam, Labs and Imaging