What's the benefit of all meds when it ends up with antibiotics?

A couple of days ago, I posted asking about anal stenosis (narrowing of the opening of the anus). The colorectal surgeon asked me to apply a gtn (glyceryl trinitrate) ointment 4 times per day for 4 days and then call him. The last two days I was suffering from dizziness because of tapering pred, D and this ointment. I called the surgeon today and told him that I was dizzy, did not take the ointment as scheduled and that the anal stenosis got worse. He decided that I should take cipro 250 mg every/12 hrs for 3 days and then call him again. I kept arguing with him the benefit of cipro as I do take 3 or 4 courses of antibiotics every month. When he insisted, I called my GI in the hope that he might have any other solution. He, too, insisted that I should take cipro as the proctitis is flaring and increase Lomotil intake and then call him, too. I was really in a rage. What's the benefit of pred, entocort, pentasa, methotrexate if whenever the D increases, I have to take an antibiotic. Last month, I kept failing an antibiotic course after the other to treat a proctitis flare up. In the end, the fourth bi-antibiotic kicked in and the inflammation markers were low.
Thank you
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Current meds: pred (5mg - tapering), pentasa (3g), entocort(3mg), methotrexate im inj 25mg/week, cipro 250/12hrs, zofran when needed, nexuim 80, an anti-ulcer drug, folic acid, weekly b shots and mutivitmians.

Cipro and Flagyl are 2 antibiotics that are part of the arsenal used to treat active crohn's disease. Sometimes they are used together, sometimes one with another medication, and sometimes, just one alone. Also Xifaxan is another antibiotic that is used off label by some doctors. Flagyl and Cipro were two of the first medications I was put on when I was first diagnosed 24 years ago, so it has been common practice for years. They are on the low end of the scale of our medications. If they work for you, don't knock it, they can help you avoid some of the bigger guns and save them for when you really need them.