does allegra cause drowsiness
Allegra is in a class of medications known as antihistamines, which stop the effects of histamine, a substance in your body that causes allergic symptoms by blocking the histamine receptor known as the H1 receptor. Allegra causes less drowsiness than other antihistamines. It can help alleviate symptoms such as runny nose and sneezing; red, watery, or itchy eyes; itchy nose, throat or roof of the mouth; or itchy skin and rash. Allegra comes in tablet and liquid form. It was approved by the Food and Drug Administration (FDA) in 1995.