Ketotifen fumarate tablets are mainly used for anti-allergy, can be used in the treatment of bronchial asthma, allergic rhinitis and other diseases, for other allergic reactions ketotifen fumarate tablets also have a certain effect. Ketotifen fumarate tablets belong to the antihistamine class of drugs, with anti-allergic efficacy, for bronchial asthma this kind of disease is often related to allergies, the use of this drug to help prevent bronchial asthma attacks, allergic rhinitis patients can also use ketotifen fumarate tablets for treatment. However, patients with bronchial asthma often cannot be treated with this medicine alone, and sometimes may need to inhale drugs such as budesonide, and sometimes can also take leukotriene receptor antagonists such as montelukast sodium. Ketotifen fumarate tablets can also be applied to other allergic phenomena, such as allergic dermatosis, etc. The use of ketotifen fumarate tablets also has a certain effect.