Procaterol Oral Solution, or Procaterol Hydrochloride Oral Solution, is used for the treatment of respiratory diseases such as bronchial asthma and bronchitis, and should be used in accordance with medical advice. Procaterol Hydrochloride Oral Solution has the effect of diastolic bronchial smooth muscle, anti-allergic and so on. It can be used to relieve the symptoms of bronchial asthma, acute bronchitis, chronic bronchitis, wheezing bronchitis and other diseases caused by respiratory tract obstructive disorder resulting in dyspnea and other symptoms. Adverse reactions to Procaterol Hydrochloride Oral Solution can be seen as severe hypokalemia, shock, palpitations (rapid heartbeat, often accompanied by panic), fever, muscle tremors, headache, dizziness, insomnia, nausea, vomiting, and liver dysfunction. The drug is contraindicated for those who are being treated with catecholamine preparations (isoprenaline, epinephrine), those who are allergic to the product. The drug should be used rationally under the supervision of a doctor.