at what point do i drastically cut foods? reacting several times a day. also elimination/reintroduction success stories welcome. what has worked?

have always heard to avoid cutting too many things but i'm reacting all the time and the physical/mental toll sucks. but i don't want to make the sensitivities worse! what worked for you?

i've cut out gluten, dairy, alcohol, vinegar, tomatoes, citrus, i don't eat leftovers, i try to not eat anything canned except beans. i probably need to cut all peppers, potatoes, corn, soy, sesame, everything fermented (i still eat yogurt and gf sourdough), chocolate, coffee (mostly phased out but it's so hard to give up), nuts, spices, most meat. any kind of snack off the shelf that comes in a bag or box i generally react to also. it just feels like a huge undertaking and i'm worried about dealing with how depressing it is as well.

i'm thinking next month will be a transitional month experimenting with stuff/saying goodbye to certain foods for now and then august is going to be a lot of chicken and rice. is this what i should be doing? does it help? my heat intolerance is getting worse which for me is a sign i need to be doing more i think.

i'm also trying to get my dr to put me on ketotifen, i'm on cromolyn and h1+h2, singulair and doxepin. should i see if i can try the ketotifen before cutting things?

what should i do? would also appreciate any elimination/reintroduction success stories.