Allegra 12 Hour is a medication that gives the allergy sufferer relief from his or her symptoms. It takes about one hour to begin its work and lasts for 12 full hours. It requires that the allergy sufferer take the medication twice a day for a full day of relief.
Allegra 12 Hour is a medication for adults and children 12 and above. Symptoms it combats are the itching and watering of the eyes, sneezing and runny nose, and it eliminates these symptoms without making the allergy sufferer drowsy. This medication works on allergy symptoms that originate both on the inside as well as the outside.