Children can take ketotifen fumarate tablets. Children are advised to take the medicine with reasonable caution with the help of their guardians and after consulting a professional pediatrician. Ketotifen fumarate tablets have histamine H1 receptor antagonism and inhibit the release of allergic reaction mediators, clinically used in the treatment of allergic rhinitis, allergic bronchial asthma and other diseases. Patients taking ketotifen fumarate tablets often appear adverse reactions for gastrointestinal symptoms, manifested as drowsiness, lethargy, dry mouth, nausea, etc., a few patients will also cause headache, dizziness, unresponsiveness, weight gain and other adverse symptoms. The contraindications of ketotifen fumarate tablets are not clearly stated, but patients need to pay attention to, known allergies to the components of the drug is prohibited, pregnant women should be used with caution, the drug should not be driving a machine, car, boat, engaged in high-altitude or sail equipment operations, operation of precision instruments. If you need to use ketotifen fumarate tablets, it is recommended that patients follow the doctor’s instructions to standardize treatment, do not blindly use drugs.