What is Systemic Mast Cell Disorder (SMCD)?

Systemic mast cell disorder is the presence of too many mast (mastocytes) cells in the body. Mast cells are a part of the body's immune system and help to regulate allergic reactions. SMCD causes musculoskeletal pain, abdominal discomfort, nausea, vomiting, ulcers, diarrhea, and skin lesions.

How do members experience Systemic Mast Cell Disorder (SMCD)?

Top 5 symptoms reported by people with Systemic Mast Cell Disorder (SMCD)*

*Reports may be affected by other conditions and/or medication side effects. We ask about general symptoms (anxious mood, depressed mood, fatigue, pain, and stress) regardless of condition.

Top treatments taken by people for Systemic Mast Cell Disorder (SMCD)*

Who has Systemic Mast Cell Disorder (SMCD) on PatientsLikeMe?

Age

Age Proportion # of patients
<20 1
20s 5
30s 11
40s 16
50s 20
60s 12
70+ 8

Distribution of sex

Sex

Sex Proportion # of patients
Male 15
Female 60