![A routinely prescribed asthma-controller medication may not work any better than placebo for more than half of all patients who use it. A routinely prescribed asthma-controller medication may not work any better than placebo for more than half of all patients who use it.](https://www.ucsf.edu/sites/default/files/fields/field_insert_file/news/inhaler.jpg)
A routinely prescribed asthma-controller medication may not work any better than placebo for more than half of all patients who use it.
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Woman African American doctor general practitioner helping child to put nebulizer inhaler face mask. Asthma treatment for children. | Corner Stone Urgent Care Center
![Effective respiratory management of asthma and COPD and the environmental impacts of inhalers | npj Primary Care Respiratory Medicine Effective respiratory management of asthma and COPD and the environmental impacts of inhalers | npj Primary Care Respiratory Medicine](https://media.springernature.com/lw685/springer-static/image/art%3A10.1038%2Fs41533-023-00346-7/MediaObjects/41533_2023_346_Fig1_HTML.png)
Effective respiratory management of asthma and COPD and the environmental impacts of inhalers | npj Primary Care Respiratory Medicine
Common asthma treatment reduces need for hospitalisation in COVID-19 patients, study suggests — Nuffield Department of Medicine
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