Shoppers Drug Mart

So yesterday I bought beef burger and I didn't check the expire date because I trust product in shoppers unfortunately and I use it so today I have pain on my ayes I get allergy in my face and I am vomiting and then I going to check the expire date it say May2021 and we are in August 2021 so the expire date for 3 months ago and I am not feel good and I going to that location as well to complaint