Ketotifen Fumarate Tablets may be harmful to the body, including dry mouth, nausea, drowsiness and dizziness. 1.Ketotifen Fumarate Tablet is indicated for the treatment of allergic rhinitis and allergic bronchial asthma. After taking the drug may produce some harm, its adverse drug reactions, such as dry mouth, nausea, drowsiness, dizziness, headache, sluggishness, weight gain, etc., can affect the patient’s life to a certain extent, but the above symptoms are not absolutely occurring, there are individual differences. 2. This drug is prohibited in allergic persons, used with caution in pregnant women, allergic persons. Note that during the use of the drug should not be engaged in driving, high-altitude work, precision operations, the use of medication should follow the physician’s assessment and guidance, if there is a clear harm produced by the need to stop the drug in a timely manner to seek medical attention. It is recommended that patients consult a professional doctor before using the drug, do not take on their own to avoid adverse reactions.