My Name Is Tony I'am 72 Years Old For The

my name is Tony I'am 72 years old for the past seven years after having chemotherapy 12 chop 30 radiotherapy +bonemarrow transplant I developedanaphylaxsis and get same very bad pompholyz attack so far all the tretment I.am having have filed I take cetrizine somectabletand same sunguler tablet and have hepypen in case of a serius reaction as I can see I mybe allergic to milk what would you suggeste me to do hope you can give an answer thankyou