Bronchitis in 3-year-old children is mostly caused by bacterial infections, it is recommended to take Amoxicillin Clavulanate Potassium for 7~14 days, if the symptoms are still not improved after 2 weeks of medication, you should consult a doctor and adjust the medication. Amoxicillin Clavulanate Potassium is a compound preparation of Amoxicillin and Clavulanate Potassium, clinically it is mainly used for all kinds of infectious diseases caused by sensitive bacteria, such as sinusitis, pharyngitis, acute bronchitis, pneumonia, cystitis, urethritis, boils, carbuncles, etc. 3 years old bronchiolitis children are recommended to take the product for 7~14 days and pay attention to the observation of the child’s condition, if the efficacy of the treatment is not good, should promptly consult a doctor. The adverse reactions of this product include rash, nausea, vomiting, dyspepsia, dizziness, headache, vertigo, etc. It is contraindicated for those who are allergic to this product and penicillin. It is recommended to consult a physician before using the drug, choose the appropriate drug according to the condition, and should not take the drug blindly.