Aminophylline Injection is used to treat Asthma and Chronic obstructive pulmonary disease (COPD). It contains Aminophylline, which relaxes and opens air passages in the lungs, making breathing easier. Besides this, it relieves various symptoms such as cough, wheezing, shortness of breath, and trouble breathing by increasing airflow through the bronchial tubes. Common side effects of Aminophylline Injection are upset stomach, stomach pain, diarrhoea, headache, restlessness, injection site reactions and irritability.