Claratyne vs Telfast

A side-by-side look at two allergy medications advertised on TV. Informational only — not medical advice.

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Information reviewed July 24, 2026

NZ ClaratyneNZ Telfast
Generic nameloratadinefexofenadine
Drug classSecond-Generation AntihistamineSecond-Generation Antihistamine
TreatsHay fever, allergic rhinitis, hivesHay fever, allergic rhinitis, hives
CategoryAllergyAllergy
ManufacturerBayerSanofi
Year approved19881996
FDA warningNo boxed warningNo boxed warning
Est. TV ad spend$6M$4M
Common side effectsHeadache, Dry mouth, Fatigue, NauseaHeadache, Nausea, Dizziness, Drowsiness (uncommon)

Frequently asked questions

Is Claratyne or Telfast better?

Neither is universally "better." Claratyne (loratadine) and Telfast (fexofenadine) are both used for allergy, but the right choice depends on your medical history, insurance and your doctor's guidance. This comparison is informational only.

What's the difference between Claratyne and Telfast?

Claratyne is a Second-Generation Antihistamine made by Bayer, while Telfast is a Second-Generation Antihistamine made by Sanofi. See the table above for a side-by-side breakdown.

Which one spends more on TV ads?

Claratyne has the larger estimated TV advertising budget of the two.

TVPills

A reference tool to help identify prescription medications and supplements seen in television advertising. This is not medical advice. Always consult a healthcare professional.

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