Allegra vs Fexofenadine: are they the same?
Allegra is a commercial brand whose active ingredient is exactly Fexofenadine. This page explains what that means in practice: where they differ (brand, manufacturer, price, available strengths), why they are clinically equivalent, and when the brand or an authorised generic is the better choice.
Are they the same?
Yes — Allegra contains Fexofenadine as its active ingredient. Talking about "Allegra" in clinical terms is the same as talking about Fexofenadine at the dose strengths 30mg, 60mg, 120mg, 180mg. The differences from the authorised generic are brand, manufacturer (Sanofi), excipients, tablet appearance and price — not the active molecule itself.
When Allegra is used
Allegra est autorisé chez l'adulte et l'enfant dans le traitement de la rhinite allergique saisonnière et de l'urticaire chronique idiopathique.
Mechanisms compared
Because they share the same active ingredient, the mechanism is identical: La fexofénadine bloque sélectivement les récepteurs H1 périphériques de l'histamine, antagonisant ses effets sur la vasodilatation, la perméabilité capillaire, les terminaisons nerveuses sensitives et le muscle lisse.
Brand or generic — which to choose?
For most patients, authorised generics of Fexofenadine are clinically equivalent substitutes for Allegra and typically cost substantially less. The practical differences are manufacturer, excipients (rarely matters except in specific sensitivities), tablet appearance and price. The brand is preferred by some patients for personal reasons or insurance coverage; the generic is the default when cost matters.
Questions fréquentes
Is Allegra the same as Fexofenadine? ▾
Clinically yes — Allegra is the brand and Fexofenadine is its active ingredient. At equivalent doses (30mg, 60mg, 120mg, 180mg) they produce the same effect. The difference is brand, manufacturer (Sanofi) and price.
Is generic Fexofenadine as effective as Allegra? ▾
Yes. Authorised generics of Fexofenadine must demonstrate bioequivalence to the brand. The active substance is the same; average effect is the same. Price is usually substantially lower.
Why does Allegra cost more than generic Fexofenadine? ▾
The price difference reflects originator development costs, brand recognition and competition among generic manufacturers. The molecule is identical; the cost is not.
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