I thank God that I have no allergy because it is a hard thing if you allergic to some foods and it gives you an itchy skin or throat and it may even shut your air passage if you get a severe reaction.
My mother was coughing all day that prompted her to take an anti-allergy medicine but it seems to not work on her so I gave her a Chlorphenamine which is proven to cure allergic reactions and I use it before for when I was getting a blood transfusion just to avoid allergic reactions like skin itching.
So my mother took it and the itching of her throat subsided, she also had a good sleep with it because it has some sleepy side-effects. I am just glad that it worked for my mother and now she knows that it is the medicine for her allergy and not the other one that doesn't seem to work, the Cetirizine.
My mother's allergy might originated from the mungbean soup that she cooked because it had some dried shrimps in it which she has an allergy from. But now she is all well because of Chlorphenamine.