Side effects of prolonged use of OxyContin, i.e., umeclidinium bromide vilanterol inhalation powder aerosol, include infections and infestations, neurological reactions such as dizziness, headache, and others. Prolonged use of Umebronium Bromide Vilanterol Inhalation Powder Mist may result in adverse reactions such as infections and infestations (e.g., pharyngitis, nasopharyngitis, sinusitis, upper respiratory tract infections, urinary tract infections), neurological reactions (e.g., headache, tremor, taste disturbance), cardiovascular reactions (e.g., atrial fibrillation, palpitations), respiratory (coughing, orofacial pain, etc.), and ocular disorders (e.g., blurred vision, glaucoma). This product can be used in the long-term treatment of chronic obstructive pulmonary disease with long-acting bronchodilator effect. The drug is contraindicated in people who are allergic to the product, severe milk protein allergy. The drug should be used in accordance with medical advice, if adverse reactions occur, you should seek medical attention in time to avoid serious consequences.