What are Allergies?
Allergies are caused by an overreaction of the immune system to a particular substance, known as an allergen.
Non-drowsy hayfever allergy relief with no impact on concentration1,2
When hayfever allergy symptoms hit, Telfast®'s here to help with non-drowsy relief.
Always read the label and follow the directions of use
- Ansotegui et al. (2024). Curr Med Res Opin, 40(8), 1297-1309. Sponsored by Sanofi.
- Meltzer et al. (2021). Allergy Asth Clin Immunol J, 17(1), 113. Sponsored by Sanofi.