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Tag: Sulfa

Explore our medication guides and pharmacology articles within this category.

Does Levofloxacin Contain Sulfa? Understanding the Difference

4 min read
Contrary to a common misconception, the antibiotic levofloxacin does not contain sulfa compounds and is not a sulfonamide drug. This is a crucial distinction for individuals with a sulfa allergy, as levofloxacin belongs to a completely different drug class known as fluoroquinolones.

Does Cipro Have Penicillin or Sulfa? Understanding Cipro's Composition

3 min read
An estimated 10% of the U.S. population reports having a penicillin allergy, while sulfa allergies also affect a significant number of people. For those with these common drug sensitivities, knowing whether a prescribed medication, such as Cipro, contains a triggering ingredient is crucial. The short answer is no, Cipro does not contain penicillin or sulfa components; it belongs to a completely different class of antibiotics.