What medications should be used for asthma in patients with diabetes?

For patients with both diabetes and asthma, medications such as budesonide/formoterol dry powder inhaler, salbutamol aerosol, montelukast sodium tablets, aminophylline tablets, and metformin hydrochloride tablets may be selected. When managing both conditions concurrently, treatment must balance glycemic control and airway status. If symptoms such as progressively worsening wheezing, marked blood glucose fluctuations, chest tightness, or dyspnea occur, prompt medical evaluation and treatment at a hospital are essential.

1. Budesonide/Formoterol Dry Powder Inhaler: A combination inhaled bronchodilator and corticosteroid used for long-term control of chronic airway inflammation and reduction of recurrent asthma exacerbations. Systemic absorption is minimal, resulting in relatively little impact on blood glucose levels—making it suitable for maintenance therapy in asthmatic patients with comorbid diabetes. Patients should rinse their mouth thoroughly after each use to minimize local oral adverse effects.

2. Salbutamol Aerosol: A short-acting beta-2 agonist bronchodilator used for rapid relief of acute asthma symptoms—including wheezing and chest tightness. Diabetic patients should use this medication cautiously; blood glucose levels should be closely monitored during treatment. Frequent or excessive use must be avoided to prevent adverse effects such as tachycardia.

3. Montelukast Sodium Tablets: An orally administered leukotriene receptor antagonist indicated for long-term prophylactic management of asthma, helping reduce airway hyperresponsiveness. This drug does not interfere with glucose metabolism and can be safely co-administered with antidiabetic regimens. It is not intended for emergency treatment of acute asthma attacks and must be taken regularly as prescribed.

4. Aminophylline Tablets: A bronchodilator that relaxes bronchial smooth muscle to alleviate wheezing and dyspnea. Serum drug concentration monitoring is required during therapy, as aminophylline may affect systemic metabolism. In diabetic patients, dosing must be carefully determined and adjusted by a physician; self-adjustment of dosage is strictly prohibited to avoid adverse effects such as arrhythmias.

5. Metformin Hydrochloride Tablets: A commonly prescribed oral antihyperglycemic agent for glycemic control in diabetes. Stable blood glucose levels help reduce systemic inflammatory responses and lower the risk of asthma exacerbation. Renal function should be monitored regularly during treatment. Combined with appropriate dietary management and physical activity, metformin helps maintain stable glycemia and minimizes bidirectional disease interactions.

In daily life, avoid known asthma triggers such as pollen and dust, and maintain regular sleep-wake cycles. Strictly monitor both blood glucose and respiratory status, adhere to prescribed combination therapies, and never adjust medication doses without medical guidance—to reduce the likelihood of mutual disease exacerbation.