Loftair 110/50 Capsule 3 x 10's is used to treat Chronic Obstructive Pulmonary Disease (COPD). It works by decreasing airway secretions and relaxing and widening the airways, making breathing easier. In some cases, this medicine may cause side effects such as an upper respiratory tract infection, sinus inflammation, runny/stuffy nose, headache, dizziness, and stomach upset. Before taking this medicine, inform the doctor if you are pregnant or breastfeeding, taking any other medication, or have any pre-existing medical conditions.