Lupatadine Fumarate Tablets can selectively antagonize histamine H1 receptors and are mainly used in the treatment of seasonal and perennial allergic rhinitis. Lupatadine fumarate tablets belong to the long-acting antihistamine drugs, after the use of selective antagonism of histamine H1 receptors, as well as antagonism of platelet-activating factor effect. It is mainly used in the treatment of seasonal allergic rhinitis and perennial allergic rhinitis. Usually the drug may cause drowsiness, dry mouth, indigestion, fatigue and other discomforts after taking it. It is contraindicated in case of allergy to the components of the drug. Liver and kidney functions should be monitored while taking the drug, while those who operate machines and drive vehicles should use it with caution to avoid fatigue and drowsiness and accidents. Pregnant and lactating women should use the drug under the supervision of a doctor. All of the above medications should be used under the guidance of a doctor, avoid self-medication, in order to avoid adverse consequences.