Side effects of aminophylline include nausea, headache, increased heart rate, etc. Contraindications include contraindication in pregnant women and lactating women. Aminophylline is available in tablets and injections, and is generally indicated for the relief of wheezing symptoms in bronchial asthma, chronic wheezy bronchitis, and chronic obstructive pulmonary disease; it can also be used in patients with cardiac insufficiency and cardiogenic asthma. Common side effects of aminophylline include gastrointestinal complaints such as nausea, vomiting, and loss of appetite, in addition to possible irritability and easy agitation. It may also cause tachycardia and muscle tremors, there may be worsening of bronchospasm symptoms, and there may be adverse reactions such as insomnia, anxiety, and headache. Allergic to the product is prohibited, the product can generally pass the placental barrier, which may increase the concentration of the drug in the baby’s body, causing discomfort therefore, pregnant women are prohibited. It can also be secreted through breast milk, and the absorption of breast milk by the baby may cause the baby to be agitated, and is contraindicated in lactating women. Active peptic ulcer patients, hypertension, hyperthyroidism patients, acute myocardial damage, severe liver and kidney function diseases and other patients are prohibited. Do not take on your own, it is recommended to take medication under the guidance of a doctor for treatment.