Terbutaline Sulpha 0.5mg Injection is to treat Asthma and Chronic obstructive pulmonary disease (COPD). It contains Terbutaline, which belongs to the class of bronchodilators. It works by relaxing and opening the air passages in the lungs, making breathing easier. This helps relieve bronchospasm associated with asthma and chronic obstructive pulmonary disease (COPD). Sometimes, it may cause certain side effects such as stomach pain, diarrhoea, headache, dizziness, nausea, sweating, restlessness, nervousness, and dry mouth.