Macrophage Activation Syndrome (MAS)
Patient-led education on Macrophage Activation Syndrome was made possible by the financial support of Sobi.
Patient Guide

FREE e-Book written by patients for patients (and medically approved by professionals)
Healthcare professional brochure

Print this brochure (or share this webpage) and bring to your health professionals

Check out these stories from Katelyn and Jenny, 2 patients who have experienced and recovered from MAS.
Katelyn's MAS Story
What Surprised Katelyn About MAS
What Katelyn Wants Patients to Know About MAS
Jenny's MAS Story
What Surprised Jenny About MAS
What Jenny Wants Patients to Know About MAS
MAS Educational Social Media Posts
Understanding MAS
Warning Signs of MAS
Diagnosing MAS
Treating MAS
Other MAS Resources
Check out these great resources to learn more about Macrophage Activation Syndrome