Hello, it is recommended to use Epinastine Hydrochloride Tablets (Yishu Indications / Functions This product is a histamine H1 receptor antagonist for adults suffering from allergic rhinitis, urticaria, eczema, dermatitis, pruritis, pruritus, itchy rashes, with itching of unusual psoriasis and allergic bronchial asthma prevention and treatment, dosage and administration 1.Allergic rhinitis: Adults, oral administration of the product once 10-20mg (1-2 tablets) once a day, once a day. Adults, take 10-20mg (1-2 tablets) orally once a day. Or according to the condition of the doctor's advice. 2. urticaria, eczema, dermatitis, pruritus, psoriasis, bronchial asthma usually adults oral 20mg (2 tablets) once a day. Or according to age and symptoms as prescribed by the doctor. Hope it can help you Wish you good health