Tiova Synchrobreathe Inhaler 120 mdi is used to treat asthma and Chronic Obstructive Pulmonary Disease (COPD). It contains Tiotropium which works by relaxing and widening the airways, making it easier to breathe. In some cases, this medicine may cause side effects such as dry mouth, stomach upset, constipation, blurred vision, chest pain and cold symptoms. Inform the doctor if you are pregnant or breastfeeding, taking any other medication, or have any pre-existing medical conditions