Can you take levaquin if are allergic to sulfa?

No, if you are allergic to sulfa, then you should not take levaquin. Levaquin, also known as levofloxacin, belongs to a class of antibiotics called fluoroquinolones. Some people who are allergic to sulfonamides (sulfa drugs) may also be allergic to fluoroquinolones. Although this is not always the case, it is recommended to avoid levaquin if you have a known allergy to sulfa drugs. If you are unsure about whether it is safe for you to take levaquin, be sure to consult with your doctor.