Result The top 5 chemical allergic resources of these patients were 0.1% thiomersalate, 5% nickel sulfate,7% aromatic compound,1% formaldehyde( water solution),1% styrene.
Once bound by IgE the mast cells are " primed" , meaning if pollen enters the body again in the future, those mast cells degranulate and release their histamine into the local tissue.
However, if this woman gets a bad blood transfusion that contains Rh positive blood, her body will now be 'primed, ' or 'sensitized, ' to the Rh positive antigen and start to produce anti-Rh positive antibodies.