Yes, both antihistamines and nasal steroids can be used, depending on the clinical symptoms and the response to treatment. There are no drug interactions between the two.
You just need to be aware that consuming large amounts of certain fruit juices, including grapefruit, orange, and apple, may decrease the levels of fexofenadine in your body. Fexofenadine should be taken with water and refrain from drinking large amounts of grapefruit, orange, or apple juice. This will make it easier for your body to absorb the medication.
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