When I eat sushi I turn freezing cold and blue lips, very pale. Any idea why?

Allergy . You could be allergic to something in sushi . Please stop eating sushi . .
Stop eating sushi. You may be developing an allergic reaction to sushi. It is unclear from your description but you are not displaying the classical symptoms of an allergy either which includes a rash, swelling of lips and tongue, difficulty breathing, chest tightness, abdominal pain. I would strongly recommend visiting your GP to conduct some allergy tests and take it from there. In the meantime avoid eating sushi.
Sushi. there are some toxins associated with seafood. You might discuss with your doctor and either be tested or avoid uncooked seafood.