How Psoriatic Arthritis Affects Your Body: Joints, Skin, Eyes, and Internal Organs
Quick Answer Psoriatic arthritis (PsA) is a chronic autoimmune disease that causes inflammation throughout the body. If you're wondering what is psoriatic arthritis , it is a condition that affects not only the joints and skin but can also impact the nails, eyes, spine, heart, lungs, digestive system, and mental health. Without proper treatment, ongoing inflammation may lead to joint damage, reduced mobility, and other serious health complications. Introduction Many people think psoriatic arthritis only causes joint pain. In reality, it is a systemic inflammatory disease, meaning the inflammation can affect multiple parts of the body—not just the joints. Psoriatic arthritis develops when the immune system mistakenly attacks healthy tissues, causing inflammation in the joints, tendons, ligaments, and sometimes internal organs. Around 30% of people with psoriasis eventually develop psoriatic arthritis, although psoriatic arthritis symptoms may sometimes appear before skin change...