MCAS Resources

Whether you're newly diagnosed, supporting a loved one, or looking to learn more, these resources can help guide your journey. Avoiding triggers is a key part of managing MCAS and relieving symptoms.

Support & Community

-Facebook Groups

-MCAS Support (Official)

-MCAS Caregivers & Loved Ones

-Low-Histamine Lifestyle & Recipes

Tools & Trackers

-Mast Cell Action Symptom Tracker App
Helps patients log reactions, identify patterns, and share data with healthcare providers.

-Low-Histamine Diet Lists
Available via TMS and Mast Cell Action to help manage symptoms.

-Emergency Protocol Cards
Printable cards with patient info and emergency treatment instructions (from TMS).

Take Note

Not every MCAS patient has the same triggers. What causes a severe reaction in one person may be completely safe for another.