ACTRN12618000410257.

Methods	Study design: cluster RCT Duration: 5 months Location: Spain
Participants	Inclusion criteria: aged ≥ 18 years, able to complete questionnaires EQ‐5D, Morisky 4 item scale, ACQ, CAT, blood pressure medication classified according to Anatomical Therapeutic Chemical classification system (C02, C03, C07, C09), asthma medication (group R03), or COPD medication (R03) Exclusion criteria: people collecting somebody else's medication, pregnancy, those unable to visit the pharmacy on a regular basis, previous participation in an education programme or in a study to improve adherence to medication, communication limits or any other impairment preventing participation in the study
Interventions	Treatment arms Pharmacist‐led tailored multi‐component intervention (to improve, reinforce and maintain adherence behaviour) Usual care
Outcomes	Primary outcomes: adherence to medication (self‐report and proportion of days covered) Secondary outcomes: asthma control (ACQ), CCQ, blood pressure levels, EQ‐5D, cost‐effective analysis
Notes	Funding: CINFA laboratory, Spain Identifier: www.anzctr.org.au/Trial/Registration/TrialReview.aspx?ACTRN=12618000410257