Make a donation

MSU is an all-volunteer, completely virtual, patient-centered 501 (c)3 non-profit tax-exempt organization in the USA. Our Federal EIN is 47-4570748.

Support MSU when shopping Amazon Smile

Shop Amazon Smile

Earn donations to Myositis Support and Understanding Association by shopping Amazon Smile at no additional cost to you. Set it up on the Amazon App under Settings, or shop at

Employer Gift Match

Ask your employer about gift matching! With matching gifts, you may be able to double your gift contribution to MSU!

Many employers sponsor matching gift programs that will match charitable contributions made by their employees. Some companies even match gifts made by retirees and/or spouses.

© 2022 Myositis Support and Understanding Association (MSU). All rights reserved. | View our Privacy Policy, Terms, and Non-Discrimination policy. MSU is a charitable organization with 501(c)(3) tax-exempt status. Federal ID #47-4570748.

View COVID-19 resources and updates, and stay tuned to your state, local, and federal health agencies, along with the CDC.

Log in with your credentials


Forgot your details?

Create Account

Send this to a friend