Rheumatoid arthritis - Symptoms and causes - Mayo Clinic
Rheumatoid arthritis is an ongoing, called chronic, condition that causes pain, swelling and irritation, called inflammation, in the joints. But it also can damage other parts of the body. These may include the skin, eyes, lungs, heart and blood vessels. Rheumatoid arthritis happens when the immune system attacks its own body's tissues by mistake. This is called an autoimmune condition.

Rheumatoid arthritis - Diagnosis and treatment - Mayo Clinic
Diagnosis Rheumatoid arthritis can be hard to diagnose in its early stages. That's because the early symptoms can be like those of other common conditions. During the physical exam, your healthcare professional checks your joints for swelling, redness and warmth. Your healthcare professional also may check your reflexes and muscle strength.

Rheumatoid Arthritis Symptoms, Causes, & Risk Factors | NIAMS
Rheumatoid arthritis is an autoimmune disease that affects multiple joints, resulting in pain, swelling, and stiffness. Tiredness and fever may also be present.

類風濕性關節炎 健康主題 (Rheumatoid Arthritis) | NIAMS
Learn about rheumatoid arthritis, including how it is diagnosed and treated, and tips for living with the condition.

Mayo researchers link gut microbiome to rheumatoid arthritis prognosis
ROCHESTER, Minn. — A significant indicator of whether a patient with rheumatoid arthritis will improve over the course of disease may lie in part in their gut, according to new research from Mayo Clinic's Center for Individualized Medicine. The study, published in Genome Medicine, found that predicting a patient's future rheumatoid arthritis prognosis could be […]

Mayo Clinic Minute: What is rheumatoid arthritis?
A new report from the CDC highlights for the first time the prevalence and health-related characteristics of arthritis across the U.S. Dr. Eric Matteson, a rheumatologist at Mayo Clinic, says one form of the chronic condition, rheumatoid arthritis, can affect more than joints. It can affect a person's heart, eyes, lungs and kidneys.

Arthritis - Symptoms and causes - Mayo Clinic
Arthritis isn't a single condition but a broad term for many conditions affecting the joints. Arthritis typically is associated with pain that affects the ability to move a joint. It causes swelling and tenderness of one or more joints. The main symptoms are joint pain and stiffness, which can impact daily activities and work. The most common types are osteoarthritis and rheumatoid arthritis.

Sjogren disease - Symptoms and causes - Mayo Clinic
Rheumatic disease. It's common for people who have Sjogren disease also to have a rheumatic disease, such as rheumatoid arthritis or lupus. Complications The most common complications of Sjogren disease involve the eyes and the mouth. These complications include: Dental cavities. Saliva helps protect the teeth from the germs that cause cavities.

Lupus - Symptoms & causes - Mayo Clinic
Lupus is a condition in which the body's immune system attacks its own tissues and organs. This is called an autoimmune condition. Lupus causes swelling and irritation, called inflammation, that may affect joints, skin, kidneys, blood cells, brain, heart and lungs. Lupus can be hard to diagnose because its symptoms often are like those of other illnesses. A common sign of lupus is a facial ...

Osteoarthritis - Symptoms & causes - Mayo Clinic
Osteoarthritis is the most common form of arthritis, affecting millions of people worldwide. It happens when the protective cartilage that cushions the ends of the bones wears down over time. Although osteoarthritis can damage any joint, the condition most commonly affects joints in the hands, knees, hips and spine. Osteoarthritis symptoms can usually be managed, although the damage to joints ...