Fexofenadine Tablets is an H1 receptor antagonist with some anti-allergic effects, which is mainly used to treat seasonal allergic rhinitis, and is indicated for the relief of seasonal allergic rhinitis in adults as well as children aged six years and above, including sneezing, runny nose, and itchy nose, throat, as well as itchy and watery eyes are relatively effective. In addition, fexofenadine hydrochloride is indicated for the treatment of the skin symptoms of chronic idiopathic urticaria in adults, as well as in children six years of age and older, providing significant relief of itching and clamminess.