US residents who went to Mexico for surgery returned with deadly superbug

I sympathize with that. It’s very rough to be allergic to any medication, but especially life-saving ones like antibiotics. Was your physician unable to find an antibiotic that would work on the infection but not set off your allergy? For cases like MRSA, the usual restrictions on some of the more esoteric drug options are often relieved and they have a free hand to prescribe whatever drug is going to deal with the infection.