Maim I have hpylory positive, doc told me to do ct scain contras for abdominal. I have allergy with fish ,I told him he gave me deltacrotf(5 mg) 30 pills 10 pills 4 hours gap before ctscain. Should I do that . Main I was hospitalised in 2013 and I was done ct scan test to at that time after 2 or 3 days of scain I got allergy reaction and doctor gave me some injection so got normal after that , should I take that ct scan now or not please give me suggestions please, I have always with vomiting maleficent.