What are the potential drug interactions with Fexofenadine, and how can patients safely combine it with other prescription or over-the-counter medications?
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Fexofenadine can interact with antacids containing aluminum or magnesium, reducing its effectiveness. Always separate their intake by at least 2 hours.
Combining fexofenadine with ketoconazole or erythromycin can increase its blood levels, potentially enhancing its effects and side effects.
Patients should avoid taking fexofenadine with fruit juices, as they can interfere with drug absorption, diminishing its efficacy.