Symbicort is a corticosteroid used to prevent asthma attacks. In terms of pregnancy, Symbicort is categorized as a Class C drug because a potential health risk could potentially exist. Symbicort can also be used to treat chronic obstructive pulmonary disease (COPD). This includes both emphysema and serious bronchitis. Symbicort works by augmenting the lung's bronchial tubes to facilitate breathing. This drug is a Beta2-adrenergic agonist that combines Formoterol and Budesonide. Some serious side effects of Symbicort can include irregular heartbeat, dizziness, blurry visions, and others. Symbicort discount codes are offered by Smart Prescription Savings.