Food allergy

Shit i just discovered why i get allergy when i eat certain cultivated shrimps like tiger prawn and vannamei or whiteleg shrimp. my skin itches and lips swell.i accidentally picked up an empty cardboard box to put dry grocery.it was used to store frozen vannamei shrinps.i read the label imported from vietnam and used sulphur aa antibiotic.im hyper allergic to sulphur even in medication.now i buy wild caught prawns like ma xia or wild caught prawns.