FexofenadineOver the counter

Pronounced fex-oh-FEN-ah-deen

Brand names: Allegra

Type: Antihistamine · All Allergy Medicines

What Fexofenadine is used for

  • Seasonal allergies
  • Hives

◆ Kidney note

Dose is lowered when kidney function is reduced.

Common side effects

  • Headache
  • Nausea
  • Dizziness
  • Back pain

Important cautions

  • Fruit juices and antacids can reduce its absorption — water is the best drink to take it with

How it comes

Tablets, dissolving tablets, liquid. This guide lists forms only — it never lists strengths or doses.

Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.