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No. Cephalexin (trade name Keflex) is a 1st generation cephalosporin, an antibiotic related to penicillin. It is not a sulfa drug or derivative.

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15y ago
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10y ago

Ciprofloxacin belongs to the class of antibiotics called fluoroquinolone antibiotics. This medication does not contain sulfa and is deemed to be safe for those who are allergic to sulfa.

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15y ago

No - Keflex is one of the antibiotics my doctor says is safe for me to take and I'm allergic to sulpha drugs.

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15y ago

No. Keflex is a cephalosporin antibiotic which is chemically related to a penicillin. It does not contain a sulfa group in its structure, so it is not a sulfa drug.

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12y ago

Does cefuroxime axetil 250 mg tablet have sulfa in it

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15y ago

No, it's not.

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12y ago

yes

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Q: Sulfa drug Is Keflex a Sulfa Drug?
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