What is mast cell activation syndrome?
Mast cell activation syndrome (MCAS) is a disorder characterized by episodes of symptoms related to hyper-reactivity of mast cells. Symptoms vary but may include hot flushing, stomach pain or nausea, lightheadness, heart palpitations, and more. Treatment for MCAS is not well established.
How do members experience mast cell activation syndrome?
Top 5 symptoms reported by people with mast cell activation syndrome*
*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 mast cell activation syndrome*
We currently don't have enough shared data that is made public for this condition.
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Who has mast cell activation syndrome on PatientsLikeMe?
Age
| Age | Proportion | # of patients |
|---|---|---|
| <20 | 3 | |
| 20s | 65 | |
| 30s | 83 | |
| 40s | 103 | |
| 50s | 89 | |
| 60s | 57 | |
| 70+ | 20 |
Distribution of sex
Sex
| Sex | Proportion | # of patients |
|---|---|---|
| Male | 46 | |
| Female | 372 |
Talk to people with mast cell activation syndrome
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members say they have this condition