Aminophylline and ketotifen fumarate can be taken together and it is advisable to take them at regular intervals. Aminophylline and ketotifen fumarate are not explicitly stated not to be taken together, so they can be taken together, but taking them together may cause adverse chemical reactions, and it is recommended that it is best to take them at certain intervals. 1. Aminophylline is indicated for the relief of wheezing symptoms in bronchial asthma, wheezing bronchitis, and obstructive emphysema; it can also be used for asthma caused by cardiogenic pulmonary edema. Adverse effects of aminophylline include nausea, vomiting, insomnia, tachycardia, arrhythmia, fever, dehydration, convulsions, and other symptoms, and in severe cases, even respiratory and cardiac arrest and death. It is contraindicated in people who are allergic to the product, patients with active peptic ulcer and uncontrolled convulsive disease. 2. Ketotifen fumarate is used for allergic rhinitis, allergic bronchial asthma. Adverse effects of this product include gastrointestinal reactions such as drowsiness, lethargy, dry mouth, nausea, headache, dizziness, sluggishness and weight gain. It is contraindicated in people who are allergic to this product. Taking the above two drugs need to be taken under the guidance of a doctor, do not take blindly, damage the body and aggravate the condition of the