A member asked:

After 5 da. bactrim for actinobacter-er for chest-neg. er md refused bactrim-off 2 da. given cipro (ciprofloxacin) after bad rxn to doubled bactrim. now not improving-did bug become resistant? new culture nec.?

3 doctors weighed in across 2 answers
Dr. Marsha Davis answered

Specializes in Internal Medicine

No: Does not become resistant that fast. Really need more information . Need to see the original ua. You may have a complication . May need another ua.

Answered 11/28/2013

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Dr. Randy Stevens answered

Specializes in General Surgery

Resistance possible: Acinetibacter resistance could be occur when taking an antibiotic and not reaching therapeutic dose or discontinuing a medication before completing it. Some bacteria require double coverage or intravenous if not improving. See your primary doctor as he/she will follow your cultures or recommend the next part of your care. Be well and tell your pharmacist about reaction to bactrim (sulfamethoxazole and trimethoprim).

Answered 9/10/2013

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