Notice: Users may be experiencing issues with displaying some pages on stanfordhealthcare.org. We are working closely with our technical teams to resolve the issue as quickly as possible. Thank you for your patience.
New to MyHealth?
Manage Your Care From Anywhere.
Access your health information from any device with MyHealth. ÌýYou can message your clinic, view lab results, schedule an appointment, and pay your bill.
ALREADY HAVE AN ACCESS CODE?
DON'T HAVE AN ACCESS CODE?
NEED MORE DETAILS?
MyHealth for Mobile
WELCOME BACK
or
Polymyositis Causes
What Causes Polymyositis?
Researchers do not yet know exactly what causes polymyositis. Some patients with polymyositis also have an autoimmune disease like lupus.
Polymyositis is one of many inflammatory myopathies. Other types of inflammatory myopathies include:
- Dermatomyositis
- Juvenile dermatomyositis
- Inclusion-body myositis
Learn more about polymyositis diagnosis at Stanford.