Allegra ODT: Allow to disintegrate on tongue, followed by swallowing with or without water; take on empty stomach; do not chew Coadministration with grapefruit, apple, or orange juice reduces bioavailability of fexofenadine . Jun 04, · Detailed Fexofenadine dosage information for adults and children. Includes dosages for Allergic Rhinitis and Urticaria; plus renal, liver and dialysis adjustments.
Mar 11, · Adults and Children 12 Years and Older The recommended dose of ALLEGRA tablets is 60 mg twice daily or mg once daily with water. A dose of 60 mg once daily is . Common Side Effects of Benadryl Injection - RxList.