Erosive inflammatory osteoarthritis (EIOA) sits in uncomfortable territory between two well-mapped diseases. It shares the mechanical wear of classical osteoarthritis but also carries the synovial inflammation more typical of rheumatoid disease.

If you spend most of your working day performing the same motions — gripping, lifting, typing, using vibrating tools, or kneeling on hard surfaces — and you have started noticing joint stiffness, tenderness, or swelling that simply does not go away with a weekend of rest, you already know something is wrong.