Weather affects us all, everyday. But if you’re an allergy sufferer, it can mean the difference between enjoying the fresh air or staying indoors. So when Flonase teamed up with The Weather Company, we created the first-of-its-kind Allergy Tracker, a cross-device, content-rich forecasting tool that helps allergy sufferers get a handle on pollen and mold levels, and even shows how their breathing might be affected.


In addition to creating the Allergy Tracker, the brand launch was augmented by WEATHERfx triggers that alerted consumers of poor allergy conditions and drove them to


How did the public react?




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On average, mobile users interacted with the allergy details page 3 times a day. All in all, the partnership has helped GSK surge past $150M in retail sales while gaining an 11.5% in market share—numbers that are nothing to sneeze at. In fact, the success of the Flonase OTC launch has led the brand to continue this extraordinary campaign for a second consecutive year.