Papa John's Pizza

I am a regular customer here and always order Chicken and Jalapeno Pizza. Never had any issues. I used a promo code NOWPJ as I received at my home and ordered a Chicken and Veggie Pizza on 6th Jan 2016 around 1 pm. I came home and ate few slices. After eating few slices, rightaway I started getting sharp pain in my stomach. I even returned the pizza to do futher testing. No one helped me there and said to make an official complaint to papa johns cust care. So that's what I am doing.