I am facing breathing problem.

I am a girl 24 with pcod beacause of heavy bleeding of 20 days i took treatment for it in march... with ovral g capsules... while taking capsule i go through vomiting nausea ... which doctor told me that it is the common sude effect of capsules... than sudeebly in may i suffer from breathing problem.. its feel like i will die.. we go for covid also...but there was no symptoms of covid.. so i see another doctor.. he told us for some test ecg lungs xray n iron test.. so here comes iron deficiency ... m taking treatment from 3 months ... nd in between verything seem to go normal my probkem was cured so much.. but now suddebly again same synptoms ... i cant even eat .. after eating there is so much of acidity ... feels heavy in chest.. difficulty in breath... i dont no where to go whom to go.. what is wrong.. should i see a gaestroenterologist ? is it related to acidity problem.. does it can cause breath difficulty