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How Long Back On Gluten Before Blood Tests Are Accurate?

dennymel

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dennymel Rookie
dennymel
Posted

Hi All,

I am scheduled to have blood tests this Monday. If I eat Gluten all weekend, will it be back in my system enough to test Celiac?

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oceangirl Collaborator
oceangirl
Posted
Hi All,

I am scheduled to have blood tests this Monday. If I eat Gluten all weekend, will it be back in my system enough to test Celiac?

Hi and welcome,

I think it's difficult to say and I am no expert. I guess it depends how long it takes for the antibodies to show up in your blood. How long were you off gluten? I'm sorry I can't be more help. Good luck to you and let us know your results.

lisa

nikki-uk Enthusiast
nikki-uk
Posted
Hi All,

I am scheduled to have blood tests this Monday. If I eat Gluten all weekend, will it be back in my system enough to test Celiac?

The normal advice is that you have to go back to eating gluten for at least 6 weeks (longer if possible) to build up enough antibodies to get a 'positive' on your bloods.

Unfortunately a couple of days of eating gluten (if you were gluten-free) will not be enough to give you an accurate result on your bloods :(

tarnalberry Community Regular
tarnalberry
Posted

If you were gluten-free for longer than a week or two, you need at least three months on gluten (the equivalent of three slices of bread a day), to have good expectations that the tests will be at their most reliable. (Which, remember, is still not 100% - almost no medical test is that reliable.)

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