• A companion for the SM journey

    The information, insights and support you need every step of the way

    Find what you are looking for no matter where you are on the SM journey. Get started today.

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  • Criteria vary from group to group

    Study proposes unifying SM diagnostic criteria

    Diagnostic criteria for SM differ among international health groups; a new article proposes steps to unify them.

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  • The differences are important

    SM and MCAS: similarities and differences

    Systemic mastocytosis (SM) and mast cell activation syndrome (MCAS) are similar conditions with key differences.

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  • Doctors sometimes miss things

    Coping with SM complications after my doctors failed me

    Sometimes, the medical community fails you. I recently experienced this with my SM treatment, which led to a visit to the emergency room visit that could have been prevented.

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SM Basics

New to SM? Start here to find out about symptoms, diagnosis, treatment and more.

Overview
SM basics

From the SM Ambassador

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