This is going to be random and idk if this is the board I should ask but... I'm trying to get into a drug rehab in my state and it has to be this specific one for some specific reasons. They don't want to let me in though because I admitted to having a walnut allergy. My question is, would there be a way to make an allergy test show a false negative? Could I load up on antihistamines or build a tolerance up enough that it wouldn't show on the test?