~Hello there!
Your question: If a patient is allergic to sulfonamide antibiotics, he or she will most likely have cross sensitivity to:
Your answer: If a patient is allergic to sulfonamide antibiotics, he or she will most likely have cross sensitivity to:
1) Loop diuretics
2) Thiazide diuretics
3) Sulfonylureas
A person is most likely have cross sensitivity with all of them above mentioned.
Hope this helps! :D