Allegra^® offers many important benefits to people that suffer from seasonal allergic rhinitis. Check out the charts below.

In tests conducted by allergists, drowsiness in people who took Allegra was similar to placebo (sugar pill), 1.3% vs 0.9%. The most commonly reported adverse experiences for Allegra and placebo are cold or flu (2.5% vs 1.5%), nausea (1.6% vs 1.5%), and menstrual pain (1.5 vs 0.3%).