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Dosing With Fexofenadine

Younger Children
Nonprescription fexofenadine is approved to treat seasonal allergies in children as young as two years old and chronic hives in children as young as six years old. Children this young may need to take fexofenadine oral suspension (liquid). For children two to five years old, the recommended dose is fexofenadine 30 mg (5 mL or one teaspoonful) twice daily.
For children six months up to two years old, the recommended dose is fexofenadine 15 mg (2.5 mL or half a teaspoonful) twice daily. However, do not give fexofenadine to a child under two years old without first checking with your child's healthcare provider. The nonprescription version of fexofenadine oral suspension is approved only for use in children age two years and older (for allergies) or age six years or older (for hives).

General Information on Taking Fexofenadine


  • Fexofenadine comes in tablets, orally disintegrating tablets (ODTs), and oral suspension (liquid). It is taken by mouth, usually once or twice daily.
  • Fexofenadine orally disintegrating tablets rapidly dissolve on the tongue. Be sure to swallow (either with or without water) after the tablet has dissolved.
  • Be sure to shake fexofenadine oral suspension well just before each dose.
  • For fexofenadine tablets and oral suspension, it does not matter if you take it with or without food. However, fexofenadine orally disintegrating tablets should be taken on an empty stomach.
  • It is best to take fexofenadine with water. Taking it with fruit juice may decrease the absorption of the drug, perhaps making it less effective. 


  • If you forget to take a dose of fexofenadine, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your normal dosing schedule. Never double your dose of fexofenadine to make up for a missed dose.
  • If you are unsure about anything related to fexofenadine or your fexofenadine dosage, please talk to your doctor, nurse, or pharmacist. 
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