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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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14y ago
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9y 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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14y 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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14y 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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14y 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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