Health Communication Action on WhatsApp based on the Digital Profle of People with Hypertension and Diabetes Chronic noncommunicable diseases are the cause of a large number of deaths in Brazil and require new approaches to health education and communication, including incorporating digital technologies. However, social disparities and access to these technologies make the design of health education campaigns and interventions a challenge. Therefore, the objective of this study was to evaluate the digital profile of SUS users, patients with hypertension and Diabetes Mellitus (DM) to develop a health communication strategy considering the profile of these users. 499 individuals were interviewed in Maringá-Paraná and of these 57 were diabetic, 280 were hypertensive and 162 were diabetic and hypertensive. For the creation of content, the principles of design, software for graphic and audio creation, as well as guidelines for the development of health content on adherence to drug therapy were used. It was observed that 32.87% of the participants belonged to the age group of 50 to 59 years old, with 64.93% being female. Regarding the users’ digital profile, 81.56% have social networks, of which WhatsApp (95.79%) and Facebook (68.54%) were the most popular. The data allowed to define a target audience, persona and vehicle to be used in the intervention (WhatsApp). 58 images, 14 audio files and 49 text messages with health education content were originally produced by the team. The present study pointed to the use of WhatsApp’s multimedia resource with a focus on images and audios that would meet the socioeconomic profile of the target population. Prior knowledge of the recipients’ profile promotes a more assertive and objective communication of health communication campaigns, differing from mass communication strategies that are not intended to personalize the message for the various segments of the public. Keywords: Chronic Noncommunicable Diseases. Health Communication. Health Education. INTRODUCTION The World Health Organization (WHO) estimates annual deaths from chronic noncommunicable diseases (CNCDs) to be around 36 million, with the highest mortality rates in low-income countries where the population is exposed to risk factors and with less access to information and health services 1 . Among CNCDs, systemic arterial hypertension (SAH) and Diabetes Mellitus (DM) represent a serious public health problem in Brazil which, through the Unified Health System - SUS, has public policies for the acquisition, dispensation and distribution of medication regularly and systematically to all registered patients. However, one of the biggest challenges in combating high blood pressure is non- adherence to the treatment, as only 1% to 15% adhere to these therapies in the country 2 . In this context, investments in health education and intervention programs are Abstract * Centro Universitário de Maringá- Unicesumar. Maringá/PR, Brasil. ** Universidade Estadual de Maringá – UEM. Maringá/PR – Brasil E-mail: med.fabene@gmail.com Marcio Renan Fabene* Lucas Cayto Voltareli* Gabriel Rodrigues de Andrade* Tiago Franklin Rodrigues Lucena** Mirian Ueda Yamaguchi* DOI: 10.15343/0104-7809.201944012022 12 Mundo da Saúde 2020,44:12-22, e2002019