Symbicort Turbuhaler is a dry powder inhaler used for the treatment and management of asthma and chronic obstructive pulmonary disease (COPD). It contains budesonide, an inhaled corticosteroid that reduces inflammation in the airways, and formoterol, a long-acting beta-agonist that helps relax the airway muscles for easier breathing.The Turbuhaler delivers the medication as a fine powder when inhaled through the mouthpiece. It does not require shaking before use and does not contain propellants.