allergynoun
A reaction of the body to something it can't tolerate.
intolerancenoun
The body's difficulty in tolerating a substance.
allergicadjective
Having an allergy.
allergieallergy
I have a tree nut allergy.
allergiqueallergic
My son is allergic to cow's milk.
intoléranceintolerance
I'm lactose intolerant, so no cheese.