01 Jan, 1970
Discover exactly how fast Zyrtec works for allergies & hives. Get science-backed timelines (1-3 hours), speed comparisons vs Claritin/Benadryl, factors affecting absorption, and expert tips to make it work faster.
Comprehensive guide comparing top OTC allergy medicines like Flonase, Allegra and Zyrtec. Learn how to match medications to your specific symptoms, save money with generics, and discover expert tips for maximum relief.