Fexofenadine
Also sold as: Telfast, Allegra
No prescription neededAllergy medicines (antihistamines)
Comes as:TabletSuspension
Usual adult dose
Usual adult dose: 120 mg once a day for hay fever, or 180 mg once a day for hives. Take with water, not with fruit juice.
Your doctor may give you a different dose. Children's doses depend on weight.
Side effects
Common
- headache
- dizziness
- nausea
- tiredness
Serious — get help
Stop taking it and see a doctor straight away if you notice:
- severe allergic reaction (swelling of face or throat)
- fast heartbeat
Do not take it, or take care, if
- Allergy to fexofenadine
- Severe kidney disease (dose may need to be lower)
Interactions
Medicines that can react with this one.
Moderate1 medicineTake together only with care. Ask your doctor or pharmacist.
- Aluminium hydroxide + Magnesium hydroxide
Antacids reduce absorption of fexofenadine; take them at least 2 hours apart.