What Is MCTD?

By james

Reviewed: Dr. Gromatzky

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Learn more about the rare autoimmune condition MCTD. Mixed connective tissue disease is typically seen in three separate connective tissue disorders. Explore the causes, symptoms, treatment options and outlook for individuals with MCTD.

Scleroderma, systemic lupus erythematosus and polymyositis are all disorders related to MCTD. The most common individuals with this disease are women under the age of 30, but it can affect individuals at all stages in life. The treatment options vary depending on the particular symptoms. Most symptoms are moderate, though some can be severe.

1. What Causes MCTD?

As an autoimmune disorder, the exact causes of MCTD remain unknown. An autoimmune disorder is caused by an issue with the immune system. This system in the body searches for unknown cells and other intruders in your body and fights them off to prevent the spread of infection and disease.

An autoimmune disorder describes a particular imbalance or error in the immune system’s normal functioning. Instead of only attacking damaged or foreign cells, this immune system attacks specific healthy cells in the body, which causes the related symptoms. The specific cells being targeted affect the symptoms and treatment options for this disorder. Researchers are still working to understand these disorders and to create successful treatment and prevention plans.