To identify interventions aimed to improve adherence to medical and non-medical antihypertensive and antidiabetic therapy.Scientometric study conducted in February and March 2018, based on data collected on PubMed ® and SciELO databases, using the following search terms: "interventions to improve adherence to diabetes therapy", "interventions to improve adherence to hypertension therapy" and "interventions to improve adherence to therapy for hypertension and diabetes".A total of 95 articles were selected. Scientific production increased as of 2009, with a higher number of studies published between 2015 and 2017. Most interventions described in literature were aimed at diabetic patients (46.31%). Face-to-face interventions were more common (46.31%), followed by telephone-based (31.58%) and digital (26.31%) interventions. North America stood out as the continent with the highest number of publications (68.42%), followed by Europe (14.74%). Most studies (63.16%) were based on a single type of intervention.Traditional intervention methods were more widely used to promote adherence to antihypertensive and antidiabetic therapy; digital technology emerged as a trend in interventions aimed to improve hypertension and diabetes-related health behaviors.