RefHelp - NHS Ayrshire and Arran
Rheumatoid arthritis (RA) signs and symptoms
- Metatarsophalangeal joints (MTPs) mainly and can involve proximal interphalangeal joint (PIP)
- Swelling and stiffness- may be subtle in early stages
- Subcutaneous nodules in 20% cases
Psoriatic arthritis
- PIPs mainly
- Dactylitis
- Nail bed pitting
- Nail bed separation
Risk Factors
- See generic inflammatory section.