How long it takes for adults to recover from bronchitis depends on the specific condition of the patient and cannot be generalized. Bronchitis in adults includes both acute and chronic bronchitis and can be caused by pathogens such as bacteria, viruses, mycoplasma, and chlamydia. The disease generally presents with symptoms such as cough, coughing, hoarseness, sore throat, fever, and general malaise. In the case of acute bronchitis caused by bacterial and viral infections, the disease can usually be cured in 7-10 days; in the case of acute bronchitis caused by mycoplasma, the treatment time is longer, about 2 weeks. Some patients with poor health may require up to 3 weeks of treatment for remission. If the patient is not treated aggressively during the acute phase and the condition is delayed, it usually progresses from acute bronchitis to chronic bronchitis, which is irreversible and can stay with the patient for life. Therefore, adults with respiratory symptoms such as cough and sputum should go to a hospital respiratory medicine department for systemic treatment to avoid delays.