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A member asked:
Can you have mcas (mast cell activation syndrome) without an elevated tryptase level, even while symptomatic?
A doctor has provided 1 answer
No: If you have symptoms and the tryptase is normal, it is highly unlikely to be from MCAS. However anaphylaxis to food is not always associated with elevated tryptase level. It would be helpful if you can provide us with a description on the types of symptoms you have been experiencing during the attack.
Answered 5/24/2016
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Is it possible to have mast cell activation syndrome with normal tryptase levels? If so, how can the dr be sure you really have it
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