You rely on your muscles a lot. So when they’re not working the way you expect, it can be concerning. If you’re experiencing chronic (long-term) muscle weakness, especially in your larger muscles, you may have myositis.
There are several different types of myositis, with several different causes. If you’re diagnosed, you and your care team can work together on a treatment plan for improving your physical fitness and enhancing your quality of life.
Basics of myositis
Myositis is a condition that causes muscle inflammation. It’s rare, affecting around 75,000 people in the U.S. yearly. The condition typically starts when people are in their 50s. But it can affect people of any age, including children.
The causes of myositis aren’t well understood. It can occur spontaneously. But it can also be triggered by certain viral infections, autoimmune conditions like
There are several types of myositis. Two particular types are:
- Dermatomyositis – This type of myositis can cause muscle weakness, a skin rash, calcium deposits under the skin, and trouble talking or swallowing. When dermatomyositis affects children, it’s called juvenile dermatomyositis (JDM).
- Polymyositis – This type of myositis can cause muscle weakness that affects both sides of your body. When polymyositis affects children, it’s called juvenile polymyositis (JPM).
Get customized resources, guidance and support from a nurse experienced with myositis– confidentially and at no extra cost. We’ll work with you and your care team to create a plan that helps treat your symptoms and empowers you to improve your well-being.
Additional information and resources
Find out more about myositis causes, symptoms, types, treatment options and more: