Tag: fruit juice interaction

Fexofenadine and Fruit Juice: Why Your Allergy Medication Might Not Be Working

• Robin Tudge
• January 1, 2026
• 0 Comments

Fexofenadine (Allegra) can lose up to 77% of its effectiveness when taken with grapefruit, orange, or apple juice due to blocked absorption. Learn why water is the only safe choice and how to fix your allergy relief.