Arthritis

Medical Author: William C. Shiel Jr., MD, FACP, FACR

• What is arthritis?
• What are symptoms of arthritis?
• Who is affected by arthritis?
• How is arthritis diagnosed and why is a diagnosis important?
• What is the national financial impact of arthritis?
• What is a rheumatologist?
• What is the Arthritis Foundation?
• Arthritis At A Glance
• Related arthritis articles on WebMD:
  Arthritis
  Types of arthritis

Women's Arthritis Roller Coaster Menstrual Periods & Arthritis Medical Author: William C. Shiel Jr., MD, FACP, FACR Why do many women with arthritis feel worsening symptoms before and during their monthly menstrual periods? During the course of any day in caring for women with arthritis, it is not uncommon for a number of them to complain of a monthly regular worsening of their joint pain, stiffness, and swelling. This is not just a coincidence. Many forms of arthritis and rheumatic diseases are known to occur more frequently in women than in men. Moreover, it is not unusual for the initial presentation of these conditions to occur following a pregnancy. Why? Researchers are finding that the immune system is influenced by signals from the female reproductive hormones. It seems that the levels of hormones, such as estrogen and testosterone, as well as changes in these levels can promote autoimmunity. "Autoimmunity" is a condition whereby the immune system (which normally wards off foreign invaders of the body, such as infections) turns and attacks the body's own tissues, such as skin, joints, liver, lungs, etc. Autoimmune diseases typically feature inflammation of various tissues of the body. Learn prevention tactics to help avoid arthritis symptoms » Top Searched Arthritis Terms: food to avoid, natural cure, pain relief, weather, feet

What is arthritis?

Arthritis is a joint disorder featuring inflammation. A joint is an area of the body where two different bones meet. A joint functions to move the body parts connected by its bones. Arthritis literally means inflammation of one or more joints.

Arthritis is frequently accompanied by joint pain. Joint pain is referred to as arthralgia.

There are many forms of arthritis (over 100 and growing). The forms range from those related to wear and tear of cartilage (such as osteoarthritis) to those associated with inflammation resulting from an overactive immune system (such as rheumatoid arthritis). Together, the many forms of arthritis make up the most common chronic illness in the United States.

The causes of arthritis depend on the form of arthritis. Causes include injury (leading to osteoarthritis), abnormal metabolism (such as gout and pseudogout), inheritance, infections, and unclear reasons (such as rheumatoid arthritis and systemic lupus erythematosus).

Arthritis is classified as one of the rheumatic diseases. These are conditions that are different individual illnesses, with differing features, treatments, complications, and prognosis. They are similar in that they have a tendency to affect the joints, muscles, ligaments, cartilage, tendons, and many have the potential to affect internal body areas.

What are symptoms of arthritis?

Symptoms of arthritis include pain and limited function of joints. Inflammation of the joints from arthritis is characterized by joint stiffness, swelling, redness, and warmth. Tenderness of the inflamed joint can be present.

Many of the forms of arthritis, because they are rheumatic diseases, can cause symptoms affecting various organs of the body that do not directly involve the joints. Therefore, symptoms in some patients with certain forms of arthritis can also include fever, gland swelling, weight loss, fatigue, feeling unwell, and even symptoms from abnormalities of organs such as the lungs, heart, or kidneys.

From the Doctors at MedicineNet.com

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