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Family Physician
Family Physician, Doctor (MD)
Category: Health
Satisfied Customers: 5660
Experience:  Emergency Medicine and Family Practice for over 26 years
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Why was I given Keflex and Bactrim to take together

Customer Question

I have been getting boils quite a bit and today an ER doctor prescribed both Keflex and Bactrim. I did not know you could take 2 antibiotics together. They both seem to be sulphur driven, what would be a reason they would have me take both?
Submitted: 11 years ago.
Category: Health
Expert:  Cyndi replied 11 years ago.

Keflex is a semi synthetic, first generation cephalosporin antibiotic. Bactrim is a synergistic fixed combination of sulfamethoxazole (an intermediate-acting antibacterial sulfonamide), and trimethoprim; both sulfamethoxazole and trimethoprim are synthetic folate-antagonist anti-infectives.

Did you give you a diagnosis for the boils? If so what was it. Then I can tell you why he might have. He seems to be trying to make sure he kills both gram positive and negative bacteria.

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