The stopping time of ketotifen fumarate tablets needs to be decided according to the patient’s condition and physique, there is usually no specific stopping time, usually after controlling the condition you can stop the medication as prescribed by the doctor, it may take about 5~7 days. Ketotifen fumarate tablets have an anti-allergic effect, usually used in the treatment of allergic rhinitis, allergic bronchial asthma and other diseases, the general use of medication for 5 to 7 days after the gradual control of the condition can be discontinued, it is recommended that the patient strictly under the guidance of the physician to use and stop the drug. After the use of ketotifen fumarate tablets may appear drowsiness, dry mouth, nausea, headache, weight gain and other adverse reactions, contraindications are not clear, patients are recommended to use the drug under the strict guidance of a physician, if you need to use with other drugs at the same time, you can consult a professional physician or pharmacist in advance.