The generic name of wheezing Dihydroxypropyl (glycerol theophylline) injection is Dihydroxypropyl Theophylline Injection, and the main ingredient is Dihydroxypropyl Theophylline. Dihydroxypropyl Theophylline Injection is mainly indicated for bronchial asthma, wheezing bronchitis, and obstructive emphysema to relieve wheezing symptoms. It is also used in asthma caused by cardiogenic pulmonary edema. The adverse effects of Dihydroxypropyl Theophylline Injection are similar to theophylline, with nausea, vomiting, agitation, insomnia, tachycardia, and cardiac arrhythmia occurring at excessive doses. Even fever, dehydration, convulsions and other symptoms can occur, and in severe cases, even respiratory and cardiac arrest. In addition, for dihydroxypropyl theophylline allergy, active peptic ulcer and uncontrolled convulsive disease patients are prohibited to use. 55 years of age or older, pregnant and lactating women should be used with caution. Dihydroxypropyl Theophylline Injection is a prescription drug, and patients should use it under doctor’s supervision.