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Hi againI was at the Docs yesterday to ask for a Feacal Occult Blood test, she gave me 3 tubes to use, I have done one today and have to do 2 more in the coming days BUT I have just read that I should not eat potatoes and tuna a couple of days before the test! I had tuna last night and was just about to have potatoes so have i just ruined todays test due to the tuna nd todays tea due to the potatoes?Thanks
 

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I have never heard of tuna or potatoes ruining an FOBT. I know red meats and vitamin c can have effects, but not those 2. And alot of FOBT now a days are not affected by red meats or vit c. (EZ Detect,etc)
 
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