In order to be eligible for the NMS, respiratory patients must be taking a medicine listed in one of the following British National Formulary (BNF) sub-sections:
- Adrenoceptor agonists
- Antimuscarinic bronchodilators
- Theophylline/aminophylline
- Compound bronchodilator preparations
- Corticosteroids
- Cromoglicate and related therapy, leukotriene receptor antagonists.
Legally, the NMS could be undertaken for patients prescribed phosphodiesterase type-4 inhibitors for the treatment of asthma or COPD. However, these are not indicated for the treatment of asthma. There is new NICE guidance on the use of roflumilast for treating COPD.